Sinestro is a villain who uses his yellow power ring to plague his arch-nemesis, Green Lantern, as well as the other Justice Leaguers. He's also a member of the Legion of Doom.
Episode Appearances
- Wanted: The SuperFriends
- Invasion of the Fearians
- The World's Deadliest Game
- The Time Trap
- Trial of the SuperFriends
- Monolith of Evil
- The Giants of Doom
- Secret Origins of the SuperFriends
- Revenge on Gorilla City
- Swamp of the Living Dead
- Conquerors of the Future
- The Final Challenge
- Fairy Tale of Doom
- Doomsday
- SuperFriends: Rest In Peace
- History of Doom
- Revenge of Doom