30 Rock 5x10 "Christmas Attack Zone"
In the episode, Liz Lemon and Avery Jessup convince Jack Donaghy to confide in and grow closer to his visiting mother Colleen Donaghy at Christmas time. At the same time, actor Tracy Jordan tries to stop the release of his new film before it ruins his new serious persona, and Liz also tries to fix Jenna Maroney's relationship with her former boyfriend Paul L'Astname.