| "Adventure Time 8: Double Trouble" | |
| Season 20, Episode 8 | |
| Credits | |
| Episodes | |
| Previous "Adventure Time 7: The Revenge of the Light Princess" |
Next "Adventure Time 9: Time Warp" |
Adventure Time 8:Double Trouble is the movie sequel to Adventure Time: The Movie, Adventure Time 2: Ultimate Revenge, Adventure Time 3: The Ball of Amazement, Adventure Time 4: The Lich Strikes Back, Adventure Time 5: Crossover Calamity, Adventure Time 6: Adventure Warriors, and Adventure Time 7: The Revenge of the Light Princess.
This movie is when Princess Bubblegum invents a cloning machine. Finn tests it out, but something goes wrong, and the dark side that is sealed from another universe is released called Dark Finn. But now that his dark side is released, he corrupts Jake, and it is up to him to save Jake before his body can't handle Finn's evil side, and he dies.