With TGS facing imminent cancellation, Jack asks Hank Hooper to allow them to do their 100th episode as a final chance to prove they deserve a place on the air. Amidst the chaos of show preparation, Jack starts doubting a key decision in his life, and Jenna contemplates motherhood.
Elenco: Tina Fey , Tracy Morgan , Jack McBrayer , Scott Adsit , Judah Friedlander , Alec Baldwin , Jane Krakowski , Keith Powell , Kevin Brown , Grizz Chapman , Katrina Bowden , Kristen Schaal , John Lutz , Maulik Pancholy .