History Anime / PokemonIChooseYou

* ForWantOfANail: The movie diverges from the original timeline in two major ways. First Ash never encounters Misty after he falls in the river during his run from the Spearow flock, so he never borrows & destroys her bike which initially caused Misty to follow Ash on his journey. The second is Ho-oh dropping a single feather. This heals Ash and Pikachu, so they don’t go to the Viridian Pokémon Center, and thus they never encounter Team Rocket. For whatever reason, Brock never joined Ash either when he passed through Pewter City. As a result, Ash travels alone until Celadon City where he meets Verity and Sorrel, the latter of whom explains the legend of Ho-Oh, causing Ash to show off the Rainbow Wing, which leads to the main plot.

* TruerToTheText: : Erika's design in this movie is directly taken from ''[=FireRed=] and [=LeafGreen=]'', complete with black hair and a kimono. This is an ironic contrast to her main anime counterpart, who has blue hair and a plain dress.

* TheUnreveal: After Ash loudly comments he wants to become a Pokémon Master, Verity wonders if that means being the best trainer of all, which Ash cheerfully replies it's better than that. He doesn't explain ''what'', and Verity completely drops further questioning.

* ContinuityReboot: Unusually, compared to "mainstream" ''Franchise/{{Pokemon}}'', this is an ''actual'' reboot, not a SoftReboot. But it's a reboot for TheMovie adaptations, replacing the canon of the previous [[NonSerialMovie Non-Serial Movies]] that ran alongside the anime as an AlternateContinuity. As such, it starts an entirely new canon for the TheMovie adaptations (which are AlternateContinuity to the anime, anyway) from a clean slate.

* Most of Ash's Gym battles and the Indigo League Conference, outside of his fight with Erika and two unnamed gyms.

* AdaptedOut: ALL of Ash’s Pokémon who are not Pikachu, Butterfree, Charizard, or [[spoiler:Heracross]], are not present at all in the film.

* AmbiguousSituation: The scene where Pikachu [[spoiler: speaks human language. Since it's from Ash's point of view, it's never made clear if he's actually talking; if Ash is imagining it; or if Ash simply understands him (as it's been heavily implied that he can in the main series).]]

** During the closing narration, several and characters from previous movies appear. We see Lugia and Slowking from ''Anime/{{Pokemon 2000}}'', Baron Alberto and Maury from ''Anime/PokemonTheRiseOfDarkrai'', and Juanita and Golurk from ''Anime/PokemonTheMovieBlackAndWhite''.

* ArtisticLicenseOrnithology: The short scene showing a Spearow's point of view reveals it sees in black and white (as it did back in the first episode). Birds in RealLife are known to have good color vision, and they can distinguish colors better than people can.

''Pokémon: I Choose You!'' is Creator/OLMIncorporated's 20th ''Anime/PokemonTheSeries'' film, the last to be directed by Kunihiko Yuyama, and the first to be written by Shoji Yonemura. It was released on July 15, 2017.

** The [[MonsterCompendium Pokédex]] is never seen or mentioned as [[WordOfGod Yuyama Kunihiko]] states that it wouldn't feel right if the legendary Pokémon that everyone is looking for was already registered in the Pokédex.

* ForWantOfANail: The movie diverges from the original timeline due to Ho-oh dropping a single feather. This heals Ash and Pikachu, so they don’t go to the Viridian Pokémon Center, and thus never encounter Team Rocket or destroy Misty's bicycle. As a result, Ash travels alone until Celadon City where he meets Verity and Sorrel, the latter of whom explains the legend of Ho-Oh, causing Ash to show off the Rainbow Wing, which leads to the main plot.

* SomethingCompletelyDifferent: This movie breaks away from the formula from the previous movies. In particular:
** It doesn't take place in Alola with the current cast, as previous movies "fit in" with the concurrent season airing at the time.
** It doesn't feature either of the current generation's cover Legendaries. Since the third generation, the first movie to follow a launch of a new Pokémon generation had one or both cover Legendaries as a major focus.
** While it does feature Marshadow, a Mythical Pokémon (Pokémon that can only be gotten from real-life events) from the current generation, it is not the main focus of the movie.

''Pokémon: I Choose You!'' is Creator/OLMIncorporated's 20th ''Anime/{{Pokemon}}'' film, the last to be directed by Kunihiko Yuyama, and the first to be written by Shoji Yonemura. It was released on July 15, 2017.