Seaking is the second stage of evolution for Goldeen. During the autumn spawning season, they can be seen majestically moving through rivers and creeks. In “The Misty Mermaid” Misty participates in a water ballet at the Cerulean City Gym with her three sisters. In the ballet, Misty plays a beautiful mermaid who swims through the sparkling oceans with her faithful Goldeen, Seel and Seaking, until the nefarious Team Rocket shows up!
Episode 63 — “The Misty Mermaid”