 The episode marks the first appearance of Chris Parnell as recurring character, Dr. Leo Spaceman.This episode revolves around Liz Lemon (played by Tina Fey) and Pete Hornberger (Scott Adsit) trying to get Tracy Jordan (Tracy Morgan) to make a successful appearance on "Late Night with Conan O'Brien", a late night talk show.These attempts are complicated when Tracy has a bad reaction to pills prescribed by Dr. Leo Spaceman and he temporarily goes crazy.