The gang returns from summer hiatus. Liz is excited to see Jack, but her attitude quickly changes when he tells her that she's not over Floyd. Jack also unveils his SeinfeldVision plan to Liz, which involves using footage from Seinfeld and putting him into current NBC shows. However, Jerry Seinfeld is not too thrilled about his idea. Meanwhile, during the summer, Jenna gained weight while doing the musical "Mystic Pizza: The Musical" and after Tracy is kicked out, Kenneth becomes his work wife.