30 Rock (2006)

S1E7 Tracy Does Conan

Jack disrupts Jenna’s planned spot on 'Late Night with Conan O'Brien' by securing a last-minute booking for the rising star, Tracy. Jenna, still furious about the show's transformation to "TGS with Tracy Jordan," confronts Liz in frustration. To complicate things further, Tracy has stopped taking his medication and is set to make his appearance on live television.