Dedenne dropped a berry, falling in Bonnie's hands. Later, Dedenne attacks Bonnie and Pikachu because of the berry. When Clemont gives the berry back to Dedenne, the Fletchling that Ash will capture later on steals the berry and swallows it, upsetting Dedenne and making it run away, which tipped off Bonnie.
Dedenne came while Bonnie is petting Fletchling and steals the food. They chase it for a while. Later, Pikachu & Dedenne are being chased and harrassed by Team Rocket and James' new Inkay. Later, they become friends and look for Ash, Clemont, and Bonnie. When Team Rocket came back, Dedenne and Clemont battled against Inkay and Wobbuffet, defeated them with Nuzzle and ThunderShock, giving pleasure to Bonnie. Later, Bonnie and Clemont catch it, but Bonnie starts to carry Dedenne in her little purse.
Dedenne is a Pokémon that relates to Snorlax. It can be very gluttonous, and after its meal, Dedenne goes to sleep in Bonnie's purse. In battle, Dedenne is sometimes even stronger than Ash's Pikachu.
|Tackle||A Shockingly Cheeky Friendship!|
|Nuzzle||A Shockingly Cheeky Friendship!|
|Thundershock||A Shockingly Cheeky Friendship!|
|+ indicates this Pokémon used this move recently.*|
- indicates this Pokémon normally can't use this move.
Dedenne is the only Pokémon seen that is taken care of a non-10-year-old character in anime.