Transformers: Animated

The Return of the Headmaster

Optimus teams up with Sentinel Prime in order to defeat the Headmaster.
Aired: Apr 19, 2008 Genre: Action & Adventure Animation Family Sci-Fi & Fantasy KidsCasts: David Kaye Bumper Robinson Corey Burton Bill Fagerbakke Jeff Bennett Tara Strong Tom KennyCreated By: Derrick J. WyattProducers: Michael Ryan Shunji Oga Heather A. MaxwellDuration: 23m Rating: 10 Country: United States of America Production: Cartoon Network Studios, Hasbro Entertainment