Regular Show
Regular Show S6 E17 - Happy Birthday Song Contest
8.6
Mordecai and Rigby are determined to win a happy birthday song contest so they can get a year's supply of cake.
| Creator | J.G. Quintel |
|---|---|
| Actor | J.G. Quintel, William Salyers, Mark Hamill |
| Country | United States of America |
| Production | Cartoon Network Studios |