| Fergus' Seadra|
ウミオのシードラ Umio's Shiidora
|Debut:||Mewtwo Strikes Back|
|Current location:||With Fergus|
Fergus introduced his Pokémon, including Seadra, to Ash Ketchum and his friends. Seadra was later captured by Mewtwo by using the Mewtwo Ball. Seadra was later freed along with the rest of the Pokémon by Ash. Seadra then battled against the Seadra clone.
None of Seadra's moves are known.