Digimon Frontier/Awesome

Episode 5; during the rebellion of the Kokuwamon, there are two of note: the Kokuwamon subduing the Goblimon after being maltreated by them and J.P. using the crane to knock Snimon aside despite not having his own Spirit yet and feeling inferior to the guys who did have spirits.
Episode 12; Takuya beating Gigasmon using quick-thinking and switching between his spirits.
Episode 14; MetalKabuterimon's debut appearance. Bad luck, Grumblemon.
Episode 20; the battle against Petaldramon when the heroes get their act together.
Duskmon in general is a pretty credible threat, with most of his battles being either a Hopeless Boss Fight or an evenly matched affair.
Mercuremon. Between taking out Seraphimon, using Seraphimon's own attack, and orchestrating a Mind Screw of a Xanatos Gambit, he leaves the other Dark Legendary Warriors still standing at the starting line.
Episode 33; Loewemon and JaegerLoewemon are able to take down a Cherubimon which the rest of the team had difficulty defeating even when working together. He tackles IceDevimon with the same attack later.
Episode 40; Angemon taking on a herd of angry Centarumon by himself in a good example of the One-Man Army trope.
The Digimon in Episode 45 who stand up to the Royal Knights. Though seven of the nine got killed, it's refreshing to see non-chosen Digimon taking the initiative. If only Koiji and Takuya had got there in time, they could all have contributed and the Royal Knights arc could have been shorter and more epic, or at least more interesting.
Episode 47; The final defeat of the Royal Knights, long overdue.
Episode 49; One word Susanoomon! Not only does he show up to kick ass once. He does it AGAIN later!
Episode 50; When things are looking really grim. All the digimon spirits and the celestials show up to give the kids hope and a pep talk.
The crowing moment has to be when the FINAL form of the Big Bad attacks the gang from behind. All of the Legendary Warriors appear and vanquish him for the last time.
User:Justice Gundam's favourite season, despite all the flak it usually gets, has quite a few CMoA... but the last few episodes were what really got him to favour it. Namely, the heroes defeating the Royal Knights, after having made progress after painful progress in previous fights during the latest 10 or so episodes -- they went from not even being able to touch them, to giving them a little pause, to actually harming them, and finally to defeating them both. And then, the final battle against the all-powerful Lucemon himself, with moons getting ripped apart by the villain's unimaginable power; Kouichi's sacrifice, the birth of Susanoomon, and the five kids joining together to destroy Lucemon's Satan Mode, which in this troper's mind erased all the disappointment of Takuya and Kouji hogging the spotlight in the second half. The only other season with an equally epic ending is Digimon Savers!
- Nothing could erase Takuya and Koji reducing everyone else to living Transformation Trinkets... but Frontier did have some great moments, like Mercurymon's Xanatos Gambit, Duskmon and Beowulfmon's grand battle, all ten Legendary Warriors coming together to put a beatdown on the Royal Knights, and Gotsumon of all 'mons (for non-fans...Gotsumon is a kid-sized rock Digimon and not anyone's idea of Badass, even though the Frontier version has a few tricks his short-lived Adventure counterpart didn't.) gets to digivolve and get dangerous.
  - To expand on the above mentioned Final Battle between Susanoomon and Lucemon Shadowlord Mode -- it's a BFS-wielding Physical God vs Giant Dragon Satan IN SPACE! This sequence alone makes up for every flaw in the rest of the series.
Underneath all the season backlash, Digimon Frontier is just badass:
- Everything about the Kouji/Kouichi plot, which was foreshadowed as early as in episode one, was badass. The Crowning Moment of Awesome of THIS Crowning Moment of Awesome was when Kouichi sacrificed himself to save the Digital World and almost freaking died in the process. Dark plots and Digimon go hand in hand perfectly.
- Different troper from the above, but some love for the Mercuremon/Sefirotmon mini-arc is in order, particularly Tomoki's fight with Asuramon, and Junpei's... well, basically it was a fight against himself, and it was badass.
  - Izumi got hers during the same arc. Izumi eats an apple that makes her relive her issues with making friends after moving back to Japan, while Ranamon gives her a Hannibal Lecture. Who breaks her out of her spell? Not the HoneyBeemon, not her teammates. Instead, she breaks herself out of the spell by simply vowing that she will make up for her flaws and become kinder and stronger! Now that's a strong will!
- A moment for the villains; in the original Japanese, when Mercuremon became Black/Shadow Seraphimon, the music that played when he was beating up Takuya was Requiem. Fans of series get a really threatening villain, and fans of Digimon Adventure can imagine that it is omegamon/omnimon who is doing the beating.
Lucemon's first appearance. He shows up and kills the Royal Knights, who have been beating the crap out of the heroes for the past 10-15 episodes, with ease. Oh yeah, and then he completely No Sells two Mega level attacks and proceeds to smash a moon in half with Takuya and Kouji's heads!!!
- Keep in mind, the mathematics of the spirits makes it even more major: Each Human/Beast pair of spirits came from a Mega level Ancient Digimon. Logically, that makes their combined strength equal to a Mega (Human=Champion, Beast=Ultimate). Emperorgreymon and Magnagarurumon are each composed of 5 pairs of spirits, making them Mega x5!, So when Lucemon so easily pwned them, he was stronger than that!
- Of course, they turn it around on him by becoming Susanoomon, who according to the above math, is a Mega x10! That's probably the highest Power Level yet seen in the franchise.
  - How strong is Susanoomon? Some people have mistaken him for an Ultra/Super Ultimate Level digimon... which has only ever been in V-01 Tamer manga, and is essentially a planet buster at the minimum...
  - Actually, the card game states that he is a super ultimate/mega, not to to mention he did cleave a (small) planet in half...
Izumi's is when she got in front of a mirror and modeled/envisioned herself in skimpy bathing suits only two or three episodes before winning an eating contest. Sexy dynamite! Lolicon fanservice implications aside, girls, that is what I call a positive body image!
Agunimon stepping off the dark trailmon after returning from the real world determined to rescue his friends.
This troper thinks the entire season is a CMOA since the human protagonists become Digimon instead of having Digimon companions.