Happy Birthday Song Contest

1 Maxin' and Relaxin' 2 New Bro on Campus 3 Daddy Issues 4 Terror Tales of the Park IV (1) 5 Terror Tales of the Park IV (2) 6 The End of Muscle Man 7 Lift with Your Back 8 Eileen Flat Screen 9 The Real Thomas: An Intern Special (1) 10 The Real Thomas: An Intern Special (2) 11 The White Elephant Gift Exchange 12 Merry Christmas Mordecai 13 Sad Sax 14 Park Managers' Lunch 15 Mordecai and Rigby Down Under 16 Married and Broke 17 I See Turtles 18 Format Wars II 19 Happy Birthday Song Contest 20 Benson's Suit 21 Gamers Never Say Die 22 1000th Chopper Flight Party 23 Party Horse 24 Men in Uniform 25 Garage Door 26 Brilliant Century Duck Crisis Special (1) 27 Brilliant Century Duck Crisis Special (2) 28 Not Great Double Date 29 Death Kwon Do-Livery 30 Lunch Break 31 Dumped at the Altar