S6E17
Happy Birthday Song Contest
Regular Show
calendar_todayFeb 19, 2015
schedule11 min
star7.5
Mordecai and Rigby are determined to win a happy birthday song contest so they can get a year's supply of cake.
broadcast_on_home Networks
Cartoon Network
star Guest Stars
Linda Cardellini
Cloudy J (voice)
person
Minty Lewis
Eileen / Kid / Sunshine (voice)
Kevin Michael Richardson
Happy Birthday (voice)
Roger Craig Smith
Axelrod / Cubicle Man / Kid Judge (voice)
Fred Tatasciore
Farmer Jimmy / Dante / Waiter #1 (voice)
Courtenay Taylor
Benson's Mom / Office Manager / Old Waitress (voice)
Ali Hillis
Mechanic / Mom / TV Cook (voice)
Grey DeLisle-Griffin
Sheena / Judy / Colette (voice)