12/08/2007 (09:00PM - 09:30PM) (Saturday) : In an effort to cut off any chance of GE digging up dirt against him, Jack (Alec Baldwin) hires his own private investigator, Len (Guest Star Steve Buscemi), to head them off. However, when Jack learns that he must give up his secret cookie jar collection, it almost proves to be too much of a sacrifice. Tracy's (Tracy Morgan) wife, Angie (Guest Star Sherri Shepherd), announces that she is going to be with him at all times to make sure that he behaves. Liz (Tina Fey) thinks this will be good for Tracy, however, when Tracy forces Liz to cover for him, she quickly learns that it doesn't pay to be on Angie's bad side. Meanwhile, Jenna (Jane Krakowski) is enjoying all the success and admiration her weight gain has brought until she realizes that she is starting to lose the weight. Steve Buscemi and Sherri Shepherd guest star; Scott Adsit, Kevin Brown, Jack McBrayer and Maulik Pancholy also star.