Teen Titans Go! - Season 1 - Eps 42: Birds
Robin removes two mockingbirds from the chimney with a gas he created in his lab. But the chemical mutates the birds into muscular bullies who then move into the tower.
About Teen Titans Go!

Title: Teen Titans Go!
First Air Date: 2013-04-23
Last Air Date: 2025-03-29
Status: Returning Series
Rating: 6.529/10 (from 647 votes)
Language: EN
Seasons: 10
Total Episodes: 440
Network: Cartoon Network
Genres: Animation, Comedy, Action & Adventure, Sci-Fi & Fantasy, Family
Production Companies: Warner Bros. Animation, DC Entertainment, DC
Synopsis
Robin, Starfire, Raven, Beast Boy and Cyborg return in all-new, comedic adventures. They may be super heroes who save the world every day ... but somebody still has to do the laundry!
Cast

Scott Menville
Robin (voice)

Greg Cipes
Beast Boy (voice)

Khary Payton
Cyborg (voice)

Tara Strong
Raven (voice)

Hynden Walch
Starfire (voice)