'30 Rock' (NBC)

Alec BaldwinMary J. BligeAlan AldaClay AikenSheryl CrowTina FeyElvis Costello
Thursday, May 14 How it ends: Liz (Tina Fey) somehow becomes a relationship expert, Tracy (Tracy Morgan) needs help overcoming high school memories so he can go back for a speaking engagement, Jack (Alec Baldwin) is getting to know his biological dad Milton (Alan Alda) who is ailing, and a... NBC