When Hank Hooper threatens to cancel "TGS", Jack convinces him to allow Liz and company the chance to do their 100th episode. To produce the best show possible, however, Liz must deal with less-than-ideal working conditions. Amidst the chaos of show preparation, Jack starts doubting a key decision in his life and Jenna contemplates motherhood.
Season 5 Episode 21 of 30 Rock resulted in a 0.00 rating in the 18-49 demographic.
Single Liz Lemon is living every comedy writer's dream. She's head writer on a demanding, live TV program in New York City whose life is jolted when a brash new network president interferes with her show and bullies Liz into convincing Tracy Jordan, a wild and unpredictable movie star, to join the cast. Now Liz must manage the unmanageable so that the show - and her dream - can go on.