Pokémon - I Choose You!

After beginning his Pokémon journey, Ash is supposed to meet Professor Oak - a Pokémon researcher who is giving Pokémon to all the 10-year-olds in Pallet Town. Arriving late, Ash finds that all the Pokémon are taken - all except for Pikachu. After a harrowing misadventure together, Pikachu and Ash form an unbreakable bond of friendship.