En route to Ecruteak City, our heroes make their way through a beautiful national park. Finding that a Bug Pokémon catching contest is being held, Ash signs up and runs into fellow trainer Casey and her Chikorita. In an effort to catch the best Bug Pokémon and win the contest, Casey pushes her Chikorita too hard and learns a lesson about the importance of putting her Pokémon's welfare ahead of winning. Watch as Casey's Chikorita evolves in order to help save Ash and Pikachu from Team Rocket's grasp! En route to Ecruteak City, our heroes make their way through a beautiful national park. Finding that a Bug Pokémon catching contest is being held, Ash signs up and runs into fellow trainer Casey and her Chikorita. In an effort to catch the best Bug Pokémon and win the contest, Casey pushes her Chikorita too hard and learns a lesson about the importance of putting her Pokémon's welfare ahead of winning. Watch as Casey's Chikorita evolves in order to help save Ash and Pikachu from Team Rocket's grasp!