Happy Birthday Song Contest
- Episode aired Feb 19, 2015
- TV-PG
- 11m
Mordecai and Rigby enter into a contest that gives the winner a chance to re-create the "Happy Birthday Song".Mordecai and Rigby enter into a contest that gives the winner a chance to re-create the "Happy Birthday Song".Mordecai and Rigby enter into a contest that gives the winner a chance to re-create the "Happy Birthday Song".