Go Back to the Source

"Go back! To the first room! He'll show you... the Source!"

- 6, 9|Nine

A situation in which a character (usually the MacGuffin of the plotline) must return to the place where they or an important plot device originated from. This can involve taking the character back to where they came from, or going to the literal source of something, such as the place where an object of power was created..

Related to Now Do It Again Backwards (Wanna destroy something? Then go back to where it was created), Book Ends, and It Was with You All Along. Also could be a supertrope to Where It All Began.

Anime/Manga

 * Digimon: The Movie involves Kokomon repeatedly telling Willis to "go back to the beginning", which Willis and the others try to figure out the meaning of.
 * Pokémon:
 * In Pokémon the First Movie, Mewtwo returns to the island of his creation to build his base.
 * In Pokémon 4 Ever, Sam and Celebi need to return to the past after Celebi sends them 40 years into the future to escape a Pokémon Hunter.
 * In Pokémon: Jirachi Wishmaker, the gang must return Jirachi to Forina so it can absorb the power of the Millennium Comet and sleep for another 1000 years.
 * In Pokémon Ranger and The Temple of The Sea, Manaphy must be brought to Samiya, a temple that all Manaphy know how to find despite a cloaking device.
 * In Pokémon the Rise of Darkrai, Ash and Alice must return to the Space-Time Tower to play Oracion to calm the raging Dialga and Palkia.
 * In Pokémon: Giratina and The Sky Warrior, after trying to avoid the Reverse World for the majority of the film, the gang must go there in order to stop the Big Bad.

Film -- Animated

 * The film 9|Nine, the Trope Namer, involves 9 needing to go back to the room where he and the other stitchpunks were created in order to stop the Fabrication Machine. The talisman that allowed them to be created is most commonly termed "the Source" by the fanbase, as it did transfer the stitchpunks' souls into their bodies. Though in the movie, 6 was implied to actually be referring to the scientist who used the Source to create them...
 * Ice Age: Manny, Sid, and Deigo must take the baby Rosham back to his village.
 * Moses in The Prince of Egypt must return to Egypt in order to free his people.
 * Simba from The Lion King returns to his home of Pride Rock in order to dethrone Scar and claim his place as king.

Film -- Live Action

 * Lord of the Rings—see the Literature section for details.
 * The Matrix: "Returning to The Source" were Arc Words about returning to the heart of the Matrix's mainframe, where everything originated and hitting a Reset Button (or something like that).
 * Luke Skywalker has to return to Tatooine in Return of the Jedi to save Han Solo from Jabba the Hutt.
 * In Transformers, the All-Spark is the artifact which gave the Transformers life, in fact rather similar to the Source talisman in 9.
 * The Princess Bride: Inigo remembers Vizzini's advice for what to do when a job goes wrong -- you go back to the beginning. So he returns to the place where he got hired and waits for (the now-deceased) Vizzini.  Against all expectations, it works.

Literature
""I thought I might go back to Godric’s Hollow… For me, it started there, all of it. I’ve just got a feeling I need to go there.""
 * Haroun and the Sea of Stories: Haroun and his friends on the moon of Kahani must go to the place in the Sea of Stories where all the stories originate, in order to stop Khattam-Shud from plugging it and corrupting all the stories with his "anti-stories". This part of the Sea of Stories, the Wellspring, is also appropriately called "the Source".
 * At the end of Harry Potter, Harry invokes this trope outright:


 * In the next book, Hermione proposes an actual reason for going there. All is ultimately subverted when
 * The Lord of the Rings: Frodo must take the One Ring to its place of creation, Mount Doom in the land of Mordor, in order to destroy it and rid the world of its evil power.

Live-Action TV

 * In the series finale of Lost, Desmond - and later, Jack - return to the cave that was first seen in the earliest part of the series timeline. Inside is the source of life, death and rebirth; fans quickly dubbed it "the Source." This is probably directly inspired by Haroun and the Sea of Stories (above), which Desmond was reading while sitting next to Jack on the plane in the season premiere. The site also happens to be right next to the bamboo grove where the series's first scene took place.

Video Games

 * EarthBound: Ness and the others must fight Giygas at its weakest point in time, which is when it was first created.
 * The Legend of Zelda Twilight Princess: Link has to return the Master Sword to its pedestal in order to gain access to the Temple of Time.
 * In The Legend of Zelda Ocarina of Time, the first temple you must visit is the one in the Kokiri Forest, where you start the game.
 * In The Legend of Zelda Majoras Mask, whenever you play the Song of Time, you find yourself back at the same place in the center of Clock Town, where your adventure starts. When you get all four of the boss' remains, you must return to that same place (albeit at the top of the tower instead of the base) and summon the giants to stop the moon from falling.
 * Final Fantasy:
 * Final Fantasy I: The Four Fiends were sealed in the Temple of Chaos. From there, they summoned Garland, transformed him into Chaos, and had him send them into the future to overrun the world. The Light Warriors must then travel back in time to the Temple to prevent this Time Loop.
 * Final Fantasy IV: The final dungeon is the Lunar Core, where the Lunarians sleep, and from which KluYa,, comes from.
 * Final Fantasy IX: The party's last voyage is into Memoria, an illusory world created by the memory of the planets Gaia and Terra...and then into the Crystal World, where the wellspring of life itself resides.
 * In Halo 3, the humans  must travel to the
 * In Shin Megami Tensei: Strange Journey, the final sector, Horologium, is essentially primeval Earth, and the home of the.
 * The end of Okami had Amaterasu confront the ultimate darkness at the

Web Original

 * In The Gamers Alliance, Khasra III enters the cursed celestial city of Xar Daeon to purify it from the taint of darkness, which helps him weaken demons' regenerative powers because the city's powers were directly linked to demons. The heroes of the Grand Alliance are given the task of locating the source of the Blood Fever in order to purify the source and thus put an end to the spread of the deadly fever.
 * That Guy With The Glasses: In Suburban Knights, Malachite's Hand is.

Western Animation

 * Avatar: The Last Airbender: Aang and Zuko go to the ruins of the Sun Warrior civilization to learn the original style of firebending, instead of the corrupted modern version.
 * Ben 10, the Omnitrix has an artificial planet called Primus that holds the universe's DNA bank, it must return to, on occasion.

Real Life

 * Several animals, such the Alaskan Salmon, travel back to their place of birth to spawn.
 * Scientists try to create particles that existed during the Big Bang, which is believed to be the event of the origin of the Universe.
 * There's a Latin phrase called "ad fontes" that translates to "go back to the source". In the humanities, it is the studying of different writings from different eras and comparing them to not only note any differences but also see how much civilization (philsophy, socially, civilly, it's a broad spectrum) has advanced.