M4, T5: The new actor starts work at "TGS," and after observing how low maintenance he is, Tracy (Tracy Morgan) and Jenna (Jane Krakowski) begin to rethink how they treat Kenneth (Jack McBrayer). Meanwhile, Jack (Alec Baldwin) offers Liz (Tina Fey) her own talk show, but Jenna convinces her to explore all of her options first. Scott Adsit, Judah Friedlander and Keith Powell also star.