Atomic Flounder/appearances

Character

Gallery

Appearances

Episodes

Season 1

• "Mermaid Man and Barnacle Boy II" Template:Debut

Season 7

• "The Bad Guy Club for Villains"

Season 11

• "Appointment TV"

Season 13

• "Upturn Girls"

Video games

• Battle for Bikini Bottom ^(mentioned)
• The Yellow Avenger
• SpongeBob's Truth or Square
• SpongeBob SquigglePants
• SpongeBob Moves In!
• Battle for Bikini Bottom: Rehydrated ^(mentioned)
• SpongeBob Simulator
• SpongeBob Tower Defense

Books

• Missing Man!
• SpongeBob Comics Annual Super-Giant Swimtacular No. 1
• SpongeBob Freestyle Funnies 2018