Nice Job Breaking It, Hero/Live-Action TV

"Giles: (flipping pages) I have it, I have it. Uhm, "The summoning spell for Gachnar can be shut down in one of two ways. Destroying the mark of Gachnar..." (Buffy walks over to the mark and puts her fist through it, ripping up the floorboards. Gets up and looks over at Giles with a proud smile) "...is not one of them and will in fact immediately bring forth the fear demon itself.""
 * Family Matters: In virtually every episode, when Urkel comes in contact with something, usually one of Carl's prized possessions.
 * In one case, "nice job breaking it" set up an entire plot where Urkel was unusually angry at Carl and declined to explain; he kept swatting Carl on the head with a newspaper. It turned out an Urkel in shining armor had broken Carl's prized model ship-in-a-bottle that had been left prone on the kitchen table, thanks to the nerd's awkward handling of a lance. Carl -- unwilling to see his own leaving the model ship prone to accidents -- was very angry and threw the nerd out of the house, before fuming aloud that he'd wish Urkel would just go away forever (Urkel had accidentally overheard Carl rant about his broken ship). Carl eventually realizes his words were inappropriate and apologizes.
 * Happens to Buffy the Vampire Slayer, in the season four episode "Fear Itself":


 * Buffy does Angel, which causes him to lose his soul and revert to his evil mind rapist self. Nice job having the hots for a vampire, slayer.
 * Cordelia wishes that Buffy never came to Sunnydale, around demon Anya. Yep, nice job causing a Crapsack World\The End of the World as We Know It, libby.
 * Played straight - somewhat - with the demon Balthazar in Season Three. Balthazar was Mayor Wilkins' rival - had he regained his power, he would have killed the Mayor. By killing Balthazar, Buffy eliminated one of the two major threats to the Mayor. Of course, the other major threat was herself...
 * And, of course, when Buffy was From Buffy's point of view, at least, nice job breaking me, Scoobies. It also broke the Slayer line, allowing the Big Bad in season 7 to try to end the world. Nice job breaking it, heroes.
 * Then in Season Eight Nice job- oh never mind
 * In “Real Me”, Dawn inadvertently upgrades Harmony from Ineffectual Sympathetic Villain to Not So Harmless Villain. She and her “minions” come to Buffy’s house to challenge her (Buffy isn’t home) but because a vampire must be invited by a resident of a home before entering it, Harmony and her crew are forbidden to enter, and Xander and Anya are smart enough not to be baited into going outside and facing them. For a minute or so, the Scoobies are literally a few feet away from Harmony, but she is helpless to do anything but sling insults at them… until Dawn says, “Oh yeah? Come inside and say that!” (The Oh Crap look from her indicates she realizes what she’s done about a second too late.) Incompetent as Harmony may be, this small Moment of Weakness from Dawn means Buffy must now be forever wary of a vampire who could potentially come into her house and kill her while she sleeps.  (Or rather, until Willow and Tara can perform the "uninvite" ritual which they've found by that time.)
 * In “Real Me”, Dawn inadvertently upgrades Harmony from Ineffectual Sympathetic Villain to Not So Harmless Villain. She and her “minions” come to Buffy’s house to challenge her (Buffy isn’t home) but because a vampire must be invited by a resident of a home before entering it, Harmony and her crew are forbidden to enter, and Xander and Anya are smart enough not to be baited into going outside and facing them. For a minute or so, the Scoobies are literally a few feet away from Harmony, but she is helpless to do anything but sling insults at them… until Dawn says, “Oh yeah? Come inside and say that!” (The Oh Crap look from her indicates she realizes what she’s done about a second too late.) Incompetent as Harmony may be, this small Moment of Weakness from Dawn means Buffy must now be forever wary of a vampire who could potentially come into her house and kill her while she sleeps.  (Or rather, until Willow and Tara can perform the "uninvite" ritual which they've found by that time.)

"Wesley: We set the captives free. Cordy: Well, actually, didn't we set a bunch of demons free? Wesley: Oh. Well. Technically, yes. Fortunately not all demons are evil, but we can't vouch for everyone they set free from the gladiator ring."
 * In Angel, the crew defeat the fallen power Jasmine, who took over the world through mind control and was eating people on a daily basis... and are later rewarded by the demonic law firm Wolfram and Hart for "Ending world peace" because during the short time Jasmine was in control, there was no war or fighting or hatred anywhere within her influence.
 * Also an example: waking Jasmine up in the first place by curing Cordelia's amnesia.
 * , the evil forces of the world decide to pull out all the stops and unleash every available evil creature on LA.
 * What's worse is the demonic army is just the beginning. Wolfram and Hart's real reaction to Angel  is to send the whole of L.A. - every man, woman and child - to Hell.
 * Also used in the episode The Ring:

"The Doctor: It was an accident, believe me."
 * Oh, well done, Dr. House and his team: by trying to cure the patient with this treatment you may have gotten rid of his stomach cramps, but now he can't move his legs, has a cerebral hemorrhage and minor heart explosions.
 * They also once cured a patient only to find out that . Had their research skills been up to snuff, they could have taken certain obvious measures.
 * House taking a mental patient out to give him his life-long dream of being able to fly leads to
 * In the Doctor Who episode "The Long Game", the Doctor thinks he's saving the world by shutting down a space station that controls an Earth-spanning propaganda regime. In the season finale, however, he returns to Satellite 5, a century later - and learns that as a result of the shutdown, Earth has become technologically and socially stagnant, and the station itself has become a clearinghouse for reality shows, secretly run by the Daleks.
 * It's also been suggested (including in a column by Russell Davies) that the Doctor's self-righteous overthrowing of Prime Minister Harriet Jones after her actions in "The Christmas Invasion" directly allowed the Master to take her place, conquer the world, and rule in an unequalled reign of terror and genocide for an entire year until things managed to get sorted out. By contrast Harriet's truncated term, according to the Doctor himself, would have been "a Golden Age". Nice going, Doc.
 * Originally, this was going to pointed out by the Master in "The Sound of Drums"/"Last of the Time Lords". However, it was decided that this sort of gloating -- in addition to the abuse the Master had already heaped upon the Doctor -- would be an overkill.
 * It also allowed the Prime Minister seen in Torchwood: Children of Earth to come to power. Perhaps Harriet Jones would have had stricter morals about dealing with the 456.
 * And to go more Old School (or DVD-school): Did you know it was the Doctor who gave Nero the idea to burn Rome?
 * Doctor Who certainly isn't unfamiliar with this trope. Such as the time the Doctor basically killed off both sides of a conflict by accident while trying to negotiate a truce. Or accidentally killing a damaged man who was only trying to find the woman he loved. Not to mention causing the extinction of the dinosaurs. The Fifth Doctor had a lot of those ...
 * At the end of The Water of Mars, it's heavily implied that
 * And let us not forget that in "Tooth And Claw", the Tenth Doctor and Rose save Queen Victoria from a werewolf, but because they act like selfish, immature adrenaline junkies, she decides to found the Torchwood Institute to protect the British Empire against extraterrestrial threats. They then spend a good century robbing and murdering innocent alien passers-by, and nearly destroying the human race several times For Science!.
 * And in "Victory of the Daleks" the Doctor's attempt to force the Daleks to admit their true intentions culminates in him screaming "I AM THE DOCTOR, AND YOU ARE THE DALEKS!". Unfortunately, this "testimony" causes the Daleks' Progenitor device to accept that they are the Daleks (apparently it didn't recognise them as they weren't 'pure'). At this point they reveal their true identity, start killing people and make more Daleks which proceed to turn on all the lights in London during the Blitz, make an earnest attempt at blowing up the Earth and then escape to their own time period to recover and rebuild. Nice job endangering the entire universe throughout the whole of history, Doctor.
 * Eleven runs into this again during "A Christmas Carol". He resorts to going back in time and rewriting the entire childhood of Kazran, the only man who can save a spaceship from crashing,
 * The Doctor has a lot of these concerning the Daleks. First he visited their home planet of Skaro, alerting them to the existence of life off of their little rock, thus causing them to become intergalactic genocidal monsters. Then much later on he causes the biggest backfire in history which involves a Dalek Death Ray destroying Skaro. This of course was probably a large reason for the Time War, and we all know how that ended.
 * In the 2005 episode "Father's Day". Rose saves her father from the car that's supposed to kill him despite the Doctor warning her not to do more than see him physically. Cue the Reapers appearing and starting to devour everyone in sight just to heal the wound she's created. It gets worse, though. When the Doctor finds a solution that will bring everyone back and keep her father alive, he warns her not to touch her past self. Rose, of course, does this (well, her past self was thrust into her arms), ruining the Doctor's solution and getting him consumed in the process. As a result, the only way to stabilise time is for Pete Tyler to sacrifice himself ... Rare case of the hero breaking it twice in one episode.
 * The supposed villains got one in "The Pandorica Opens": The Daleks, the Cybermen, the Sontarans, the Autons, the Draconians, the Atraxi, the Judoon, the Chelonians and others all band together to build a puzzle the Doctor can't resist to trap him. They do this to keep him trapped for all eternity to prevent him from causing the TARDIS from exploding and destroying all of creation. It turns out The Doctor was the only one that could have prevented said explosion, which occurs in his absence. Oops... This is why villains should never try to be Big Damn Heroes.
 * In The Movie, the Doctor is rushed to hospital after being shot, where the cardiologist on duty, Grace, begins to operate on him, despite the Doctor repeatedly trying to get her to stop due to his Bizarre Alien Biology (finally being silenced by being pumped full of anesthetics). During the operation Grace gets lost and freaks out due to the Doctor's different biology, a medical probe breaks off inside the Doctor, and he has a seizure and dies. It Gets Worse however, as when his regeneration finally kicks in it's botched up due to the ton of anasthetics, and the Doctor ends up wandering around the hospital confused and with amnesia. All this could have been avoided if Grace simply hadn't operated on the Doctor.
 * In "Utopia", Martha Jones convinces Professor Yana to
 * In the Fall 2011 season trailer, Hitler thanks the Doctor for saving his life. (Technically, this was Mels'/ fault since she threatened the Doctor at gun-point, shot the TARDIS and caused it to crash at the wrong time. Doesn't stop the Doctor from saying this;


 * Fans waffle back and forth about what was happening in "Partners in Crime." Miss Foster was farming fat to create the Adipose, and some fans believe that she always intended to kill the humans eventually. However, others notice that she says that they only kill humans "in a crisis" (by converting non-fat tissue, like bone and organs, into fat) and that it makes them sick (something she, as a nanny, would try to avoid.) It was only after the Doctor and Donna start to interfere that she stops farming fat and starts farming whole people. Even the Doctor said as a diet plan, it wasn't that bad; quick, painless, and efficient (about one kilo of Adipose walked away every night.)
 * This is pretty much answered in Turn Left when we see what would have happened had the Doctor and Donna not been there. It was not pretty. (Can somebody say 'mass genocide'?)
 * In the season 6 episode "The Girl Who Waited" the Doctor managed to create an  who has lived in solitary confinement for 36 years, is bitter with loneliness and hates the Doctor, and forces Rory to make a Sadistic Choice. He could have avoided it if he'd remembered there was a plague on the planet they'd landed on.
 * In an attempt to save the Doctor's life, River Song
 * Of course, the most disastrous Who-related example was not committed by the Doctor at all, but by the BBC. Way to erase most of the early episodes, guys.
 * In the Torchwood, generally speaking, the problem in any given episode was probably caused by them at some point:
 * On Gwen's very first day on the job, she tossed a screwdriver, accidentally breaking open an alien meteor and leading to the deaths of Carys' friend and ex-boyfriend as well as an entire sperm donation centre.
 * Two people were killed and the whole planet was put in danger because Ianto secretly stashed his Cyberman girlfriend in the basement.
 * The entire team play Unwitting Pawn in "They Keep Killing Suzie".
 * In the episode "End of Days", Owen Harper's opening of the rift rescued his boss and his best friend from being trapped in the wrong decade forever, but it also caused a wave of anachronisms including ancient soldiers in the streets and an outbreak of the bubonic plague in Wales. This despite Ianto practically begging Owen not to open the rift, and even shooting him to try to prevent it. Instead of learning from this colossal mistake, the rest of the team eventually side with Owen and do the exact same thing, again, to flush out the results of the prior opening. Which works, but unleashes Abaddon. Predictably, things get worse before they get better.
 * Jack's  led him to a much worse fate in "Exit Wounds."
 * Not to mention how it  killed everybody in "Dead Man Walking" and did kill   people.
 * All those problems with Captain John Hart would have been avoided if it weren't for Jack simply being there.
 * In Children of Earth, Jack and Ianto have gone storming into the alien's base guns blazing in order to, erm...
 * The really hilarious irony being that Torchwood was originally founded by Queen Victoria because she felt that the Doctor brought too much trouble in his wake!
 * This sort of thing happened almost Once an Episode on Home Improvement.
 * Stargate Atlantis, as a whole, is one massive exercise in Nice Job Breaking It, Hero:
 * Our heroes woke up the Wraith, inflicting them upon the galaxy and angry because of the lack of "food" (humans). The Wraith were always bad news, but their newly accelerated schedule has resulted in many worlds wiped off the map, and everyone working on a way to stop them finding out they have a few decades less than they thought. Not that they stood a chance in hell, mind you, but they could at least have built up their populations enough to weather the culling.
 * Next is the Genii, one of those working on a plan to stop the Wraith, flawed though it was. Mistrust on both sides made them enemies for the better part of two seasons, up until a new leader came into power. All because they were trying to trade C4 as "farming tools"...
 * Then they turn a Wraith into an amnesiac human. He starts to turn back, but not all the way, and so once he remembers who he really is and escapes, he finds his people no longer want him now that he's half-human. By now, he's out to overthrow humans and Wraith and have the other human-Wraith hybrids he's created rule. He didn't hate humans that much, though, until our designated heroes betrayed him further, though.
 * Then they turn the Replicators against the Wraith... and the Replicators decide that the best way to fight the Wraith was to attack their food supply (of course, they may have done this out of spite because they already hated humans and Ancients).
 * In short, all three major threats to humans in the Pegasus Galaxy were created by the Atlantis team. They really, really should have just stayed at home.
 * It was even lampshaded when the combined peoples of the Pegasus Galaxy put Sheppard's team on trial for doing all of this, and call them out on every single mistake mentioned above. The trial, by extension, was to convict the Atlantis expedition as a whole, but they were smart enough to realize trying to tackle that beast directly was not going to end well.
 * The Ancients also did a good Neglectful Precursors work, as they accidentally created the Wraith, then developed the Replicators as a weapon against them. When the Replicators couldn't do the job, they wiped them out but missed some, hence their continued existence in the present. They shouldn't even have lost the war with the Wraith with the first place; they were too stupid to realize what "overwhelming odds" means and ended up giving their enemy the necessary tools to clone a massive army and Zerg Rush them into defeat.
 * Then there is Stargate and Stargate SG-1. Every time they defeated a Goa'uld, another, even more ambitious one rose to take his place in the resulting Evil Power Vacuum. This only stopped when the Goa'uld were overthrown as a whole.
 * Unfortunately, the SG-1 team wasn't content to rest on their laurels. Instead, they hunt down some old Ancient technology, get transported to another galaxy (sort of), thus allowing the Ori (evil ascended beings) to move in. In effect, after killing off the evil false Gods, the SG-1 team invited evil real "gods" to move in.
 * The basis for the franchise really. Movie - Unburied the gate, went to Abydos, unintentionally informed the Goa'uld that the gate on Earth had been unburied and thus Earth was within easy access for them. Killed Ra, everything is good. TV Series - Oh shit, you created a power vacuum. The goa'uld are fighting and they know the Earth stargate is unburied. And you've proved yourself to be a viable threat to their power and therefore put Earth in danger. Nice job.
 * The Stargate Universe crew avoided making a mess for nearly a full season. Then after learning of a potential spy, they along with SG-1 alum launch a poorly-planned undercover mission that ends with Rush in the hands. As a result of gaining his knowledge, they are able to   and there is now
 * Star Trek: Kirk and company go to the Mirror Universe, and Kirk gets Mirror Spock to try reforming The Empire. So he does. When next we visit it, it turns out that the reforms made weakened the empire to the point of being unable to defend against the Klingon/Cardassian Legion of Doom. Humans and Vulcans are now slaves. Way to go, Jim. (This gets Retconned into the Expanded Universe as )
 * The Devil in the Dark. Turns out that monster you shot? It was an alien nanny who was only acting in defense of the nursery. And those weird stones that you've been trying to crack open? They're the babies.
 * The episode "Coyote Piper" of Charmed revolves around a spirit escaping from her demonic scientist creator. She eventually possesses Piper, and uses Piper's body to get her sisters to kill the demonic scientist when he comes to look for his creation...making it significantly harder to deal with the spirit. The demon's final words "You fools! She will destroy you!", are somewhat apt.
 * In Supernatural, at the end of season four, Sam spends most of the season getting the power to kill Lilith so he can stop her from breaking the final seal
 * At the end of Season six,  to defeat Archangel Raphael, who wanted to restart the Apocalypse. But in doing so, he unleashes  creatures that God locked away to stop them from eating everything else.
 * To an extent, Dean as well, not only for  between seasons three and four, but also for
 * Heroes had two in a single episode now (though one got started a few episodes prior):
 * It must be said: Nice job breaking it, Hiro.
 * According to Angela Petrelli, Future Peter was responsible for
 * The season 1 episode where Isaac tries to shoot Peter, in an attempt to prevent him from seen in the future paintings. When Peter becomes invisible, Isaac shoots at a noise behind him...and accidentally kills, who wanted to help Peter.
 * When Sylar tries to kill Elle, she renders him unconscious with a massive blast of electricity. Unfortunately, she also overloads the Level Five power grid, allowing all of the super-powered prisoners to escape.
 * By that point Sylar was so powerful it's more a Pyrrhic Victory. It's hardly Elle's fault that Angela decided to let him loose and kick her out.
 * Nathan Petrelli intiates a government program to round up persons with superhuman abilities in order to protect regular citizens. But he
 * Then there's the Charlie issue. Hiro decides he can't save her life as she's already dying, so forgets about her, as do the writers. But at the very least he could have saved her from being killed by Sylar instead of allowing Sylar to take her ability.
 * He fixed it in the fourth season though.
 * How did Samuel Sullivan find out about the nature and true extent of his powers? Because Mohinder opened a box with research that his father expressly wanted never to surface and traveled all the way to his carnival of horrors to blab about it, of course. It's almost as if the writers hate his character too and wanted to give even newcomers a reason to hate his ass.
 * The second season narrowly averts this by having Peter Petrelli destroying the bioweapon that he helped Adam Monroe attempt to steal before it is released by using his radiation powers. Even then, that was only because of factors outside of the show, namely relating to the Writers Strike of America that occurred during that time, that forced the writers to abort their planned arc and go with what was intended to be the fourth volume., it was originally intended to be played completely straight with Adam Monroe succeeding in releasing the virus, which would have resulted in Nathan Petrelli being one of the first to die, as well as leaving only 10% of the world's population to survive in a post-epidemic future.
 * Nice job figuring out Cromartie's plan, Sarah. Go ahead, call John and warn him Cromartie is after him. Wait, is that a phone tap... into the local cellular tower... oops.
 * Nice job taking the tougher, advanced battlestar capable of building Vipers and ramming it into a Cylon Basestar to save the aged, more obsolete battlestar, Lee. Especially since.
 * Nice job
 * In Dollhouse, is an example of Nice Job Breaking It, Hero.
 * Kamen Rider Decade,, mentioned that the eponymous Rider has to kill all the Riders to prevent the merging of the Alternative Rider Worlds, mentioning that "creation cannot begin without destruction". Instead, Decade chose to help all the Riders defeat their respective monster enemies as a Rider should. Cue Dai Shocker (the coalition of all the enemy organizations and monster races) through Apollo Geist becoming able to speed up the destruction of the Alternative Rider Worlds.
 * There was a lot of Mind Screw going on, but it seems attacking Decade was simply to goad him into becoming Decade Fury so that he would do what needed to be done.
 * In Power Rangers RPM, Dr. K was being imprisoned unjustly by the government so they could use her as a researcher. She uploads a computer virus into their systems, and is apprehended by secret agents before she can install the firewall. The virus goes on to nuke the planet, wiping out pretty much all ecosystems, and either killing or enslaving every human not in the Domed Hometown of Corinth. Doctor K manages to escape thanks to some friends bailing her out. Nice job getting your freedom, doctor. Nice job protecting America, secret agents.
 * One of these in the backstory leads to the events of Power Rangers Ninja Storm. The main villain was initially just a power hungry ninja. His clan banished him from Earth. He came back as a power hungry warlord with alien technology. Oops.
 * And it wouldn't even have happened if Cam hadn't gone back in time and exposed said ninja as a traitor.
 * In Touched By an Angel, a man wakes up from a twelve-year coma. He got in a car accident because he used his wife's car instead of his own. He got in his wife's car because he couldn't find the key for his own.
 * Burn Notice: Nice job, Michael. You now have even less of a clue about what's going on, and you almost got yourself into even hotter water.
 * This seems to be a running theme for each season cliffhanger, but most notably when Michael finally seemed to have beaten those responsible for his burn notice, only to find out that
 * In Bones, FBI Agent Seely Booth allowed a man convicted of killing a teenage girl (and was less than 30 hours away from being executed for the crime) convince him to reinvestigate the case by providing crocodile tears in prison.  Seriously, nice job breaking it, hero.
 * In another episode, Booth comforted a woman who had been stalking that week's victim, causing her to become obsessed with him. This led to the woman
 * Nice job stabbing Brainiac with the knife from the Fortress of Solitude, Clark..
 * Nice job releasing nearly a dozen other Phantom Zone prisoners, each of whom are equally as dangerous or possibly even more dangerous than Zod, during your own escape after Zod traps you there, Clark.
 * In about 8:23 of this clip from the 60s-era World War II series, Combat!. One of the characters says "Nice going, hero" after another is forced to shoot a German sentry they were supposed to take alive, not only depriving the unit of a prisoner to interrogate but also attracting the unwanted attention of even more enemy troops.
 * In the fourth episode of the original Life On Mars the cops stop taking bribes from and arrest the city's biggest crime lord. The remaining season and a half is spent trying to stop new, more ruthless gangs from getting a foothold.
 * In Legend of the Seeker, the television adaptation of Terry Goodkind's Sword of Truth series, this trope is played at the conclusion of Season 1 and leads into Season 2 -
 * Also done earlier. Two of Rahl's soldiers have had enough of Rahl's tyranny and have the perfect opportunity to kill him, as one of them knows Rahl personally. Then come Richard and his crew and kill the one who was supposed to do the killing, assuming him to be a loyal soldier. Only Richard gets to kill Darken Rahl! Don't mess with the prophecy.
 * In Robin Hood: Kate tries to rescue her brother, and he ends up dead in her arms. It's worse than it sounds: she abandons the other outlaws who are ready and willing to help her, sneaks into the castle by herself, is captured in under five seconds, and watches her brother die as he tries to save her. And then for some inexplicable reason, the outlaws let this idiot join the team, giving her ample opportunity to endanger their lives in almost every single episode that follows.
 * In the episode Too Hot to Handle the outlaws steal Prince John's supply of water in order to help villagers struggling through a drought. Because they're all idiots, they don’t bother to hide the water barrels that are clearly marked with John's insignia. When Prince John turns up and discovers the barrels in the middle of Locksley, he drowns a man in the drinking water. Thanks, heroes.
 * Everyone treats the mentally-unhinged Isabella like crap, and then they look surprised when she goes mad and starts killing everyone.
 * In a episode of Malcolm in the Middle, Reese was taught a lesson and gave up his bullying ways. This of course resulted in a bunch of lesser bullies turning the schoolyard into chaos and even abandoning standard ground rules, like not picking on the crippled kid.
 * In the fifth season of Lost, Ben thought that by
 * Not to mention moving the island at the end of season four. That resulted in
 * Season 2 finale: Locke does a Heel Face Turn and decides the button doesn't need pressing. Cue "I was wrong"
 * Nice job not keeping your mouth shut JUST to try to prove that Beck got his line right, Tori. Too bad it made the Jerkass lead star not approve of you or him.
 * And in Locked Up, when the chancellor is about to free Tori, Robbie knocks his electric clock into his octopus' tank, which zaps it and kills it. And then they're all in prison with her.
 * Although, Tori does end up fixing things. She (accidentally) gets the Jerkass lead star hospitalized, which not only gets Beck his role back, but also makes everyone else on the set happy because they all hated her.
 * In the 1998 Merlin series, the titular character does this by recruiting Lancelot as the king's champion, who manages to completely screw up the relationship between the king and queen and provide Mordred with just the opportunity he needs to start a war and attempt to take over.
 * All because he misinterpreted the Lady's message (who was, of course, unnecessarily vague) and assumed Lancelot was the knight he needed. Turns out it was his son Galahad. You know, the son who is now an orphan because his father abandoned him and his mother committed suicide.
 * In the more recent version of Merlin, our hero, under the advice of others, kills  for the "greater good". And although it's a Disney Death, when she comes back
 * He also.
 * In the season 2 premiere episode of Glee, Rachel's Attention Whore tendencies cause a new girl who is an awesome singer to join Vocal Adrenaline after she sends her to a crack house to keep her from stealing her spotlight. Though the only reason that the girl joined Vocal Adrenaline was because Sue made a call to the new VA coach because Will wouldn't help her antagonize the new football coach anymore.
 * Admittedly, almost all of the glee club's problems are caused by the stupidity/selfishness of Will or one of the glee kids (usually Rachel or Finn). This happens pretty much Once an Episode just so everyone can learn an Aesop at the end.
 * And then promptly forget it.
 * Several incidents that lead to Mike Nelson, Destroyer of Worlds in Mystery Science Theater 3000's 8th season qualify, as Mike manages to turn a simple escape into an apocalypse.
 * Crow also has this reaction to the revelation the Planet of the Apes-esque Earth of 2525 they're orbiting at the start of the season is the result of Mike's descendants marrying simians.
 * Prison Break: Michael does this several times, but special mention can go to when he starts the riot at Fox River, leading to several deaths (for him to feel guilty about) and T-Bag finding out about the escape.
 * In the TV movie Atomic Train, a train driver following behind a runaway train in an attempt to rescue the occupants, ignores orders to pull back, muting his radio in the process. With the radio muted, he is unable to hear the fact that the runaway has managed to stop. This results in him ramming into the rear of it, causing it to run away again.
 * Subverted in the show Titus in the episode Titus is dead. After the main character finds out that his dad who has been divorced five times is dating again, he tries to convince his dad to break up with his new girlfriend. After talking to each other, Papa Titus proposes to his new girlfriend, instead of breaking up with her. Nice job fixing it hero.
 * Monk: "Mr. Monk on Wheels": A boy steals a bike, but then while riding off with it, hits a pothole, flipping himself over and sending him sprawling in the grass. Quite by coincidence, Monk and Natalie are walking through the office park when the accident happens, and Natalie, seeing the accident, walks over despite Monk's protests and helps the thief to his feet, even fixing the chain, and sends him on his way, this whole time unaware that the bike is stolen. Only once the legitimate owner of the bike comes running out of the nearby building does Natalie realize her mistake, and she is visibly embarrassed by this. It gets worse when Monk gets shot in the leg while knocking on the door of the thief's house.
 * In the Law and Order episode Gov Lov (the spelling is correct), Jack McCoy needs the husband of his male suspect to testify, but fears that the husband will take advantage of laws that allow spouses refusal to testify against each other. He's so determined to get the guy that he campaigns for, and succeeds in, nullifying all gay marriages in the state by reestablishing the "one man one woman" definition. It completely backfires when the husband admits, in a courtroom full of people, that he would have voluntarily testified against his husband, but now that McCoy had effectively ruined hundreds of marriages for his own agenda, he would refuse, even though he would be arrested for contempt of court.
 * On FlashForward, during the Mosaic team's trip to Somalia, their resident morally-ambiguous CIA agent Vogel kills the one man who was destined to bring peace to the war-torn nation. He doesn't seem to care too much.
 * Fringe: Nice job  Now the fabric of reality is tearing itself apart.
 * And Olivia, nice job
 * Ninja Sentai Kakuranger: Nice job helping that old man out, Sasuke and Saizou. You just let loose the Youkai Army Corps upon Japan.
 * In Lexx, the destruction of Fire at the end of Season 3 leads directly to the destruction of Water, and then the subsequent flooding of Earth with the reincarnations of everyone who had been sent to Fire (Hell).
 * In Lexx, the destruction of Fire at the end of Season 3 leads directly to the destruction of Water, and then the subsequent flooding of Earth with the reincarnations of everyone who had been sent to Fire (Hell).