Happy Birthday Song Contest

"Happy Birthday Song Contest" is the seventeenth episode of the sixth season (and the one-hundred and seventieth episode overall) of Regular Show. It will air on February 19, 2015.

Synopsis
Mordecai and Rigby are determined to win a happy birthday song contest.

Plot
TBA

Characters

 * Mordecai
 * Rigby

Gallery
The gallery for "Happy Birthday Song Contest" can be found here.