1. Pokémon, I Choose You! In the episode, Ash Ketchum gets his Pokémon journey off to a rough start when he receives his first Pokémon, a reluctant Pikachu . After many failed attempts at capturing some Pokémon, Ash throws a rock at a Spearow , which gets angry and starts attacking him and Pikachu. Soon, an entire flock of Spearow start chasing them, and Pikachu is the only one able to step in and stop the flock. In the world of Pokémon , people at the age of 10 can get their official license to become Pokémon Trainers , and Ash Ketchum of Pallet Town is about to receive his very first Pokémon from Professor Samuel Oak . On the morning of the ceremony, Ash oversleeps after accidentally breaking his alarm clock in his sleep, and runs in his pajamas to Oak's laboratory, where his rival and the Professor's grandson, Gary Oak , taunts him for arriving to the ceremony late, and brags about having already received ...