Classic first season and more to be available in Netflix regions
Update: I'm a dummy and didn't realize they actually call the first season Indigo League. Fixed all references to it.
The Pokémon Company and Netflix are teaming up to bring a bunch of Pokémon anime to the streaming service, with a launch planned for March 1. Series include the classic first TV anime season, Pokémon: Indigo League, as well as Pokémon: Black & White, and two feature-length films.
Black & White will be available to members in all Netflix territories. Indigo League will be available to Netflix members in the United States, Canada, United Kingdom, and Ireland.
As for the movies, Netflix members in all territories will be able to watch Pokémon the Movie: Black—Victini and Reshiram and Pokémon the Movie: White—Victini and Zekrom.