The Return of Avery Jessup
30 Rock Season 6 Episode 21 (05/10/12)
Avery returns and Jack thinks she cheated on him with her sports anchor. He tells her that he had feelings for another woman to get her to admit it. He eventually tells her it was her mom, but she reveals that she never got with the sports anchor. They both loved the mind games they were playing and decide to renew their vows.
Liz and Criss are having issues because she is the main bread winner in the relationship. Also, Kenneth and Tracy help Jenna find her southern roots so she can earn a sponsor for her upcoming wedding.