Pokémon — Episode 3: When Pokémon Worlds Collide!

You are watching the episode When Pokémon Worlds Collide! While searching for Pikachu, Ash and Brock run into a new rival named Paul, who challenges Ash to a battle, but Ash can't compete without Pikachu; Dawn and Piplup meet Ash and Brock, and together they try to rescue Pikachu from Team Rocket.