Fair rating?Transformers: Animated· Season 2 · Episode 2
The Return of the Headmaster
Optimus teams up with Sentinel Prime in order to defeat the Headmaster.
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#1In Season 2of 11 rated episodes
#1All-timeof 24 rated episodes
+1.1vs season avgSeason 2 averages 8.9
2008First airedApril 19, 2008
