The Office:
Season: 2 / Episode: 9
E-mail Surveillance
Date: November 22, 2005
This Television Episode refers to Welcome Back, Kotter
Michael is at his improv class, and the instructor asks for two people for the first scene. Michael, using his Horshack voice says "Ooo Ooo Ooo Ooo, Mr. Cart-air, Mr. Cart-air."