When did Regular Show Season 7 Episode 21 air?
Regular Show Season 7 Episode 21 aired on March 19, 2016.


Rigby's high school nemesis returns and threatens to ruin his chances at passing gym class and graduating high school.
Direct answers for episode-level questions and details.
Regular Show Season 7 Episode 21 aired on March 19, 2016.
This episode runs for approximately 11 minutes.
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