Not every relationship survived the penultimate season finale of "
30 Rock" (Thu., 8:30 p.m. ET on NBC). Jack and Avery agreed to let Liz officiate the ceremony that would see them renew their wedding vows after Avery's time held captive in Korea. But it turned out they were waiting for someone to stop them.Jack had slept with Avery's mother, while Avery had had a kind of weird tapping romance with a fellow prisoner while away in Korea. Even ...