Ep 13. Up All Night

Liz Lemon's personal life becomes a disaster area when she takes on the task of finding a performer for her alma mater's winter formal. Jack Donaghy feels the pressure of being the new boss, while Tracy Morgan struggles with life in the shadow of his more successful wife, Angie Jordan. Meanwhile, the writing staff discovers that Jack is the voice of reason as they face the consequences of a questionable product-placement situation. Jack's past relationships also come back to haunt him, as his ex-wife drops a bombshell on him that he never saw coming. All this leads to an all-nighter at the office, as the cast and crew of TGS race to prepare for the winter formal and deal with their personal demons. "Up All Night" is a chaotic and hilarious episode that showcases the best of 30 Rock's ensemble cast, with some of the funniest and most heartwarming moments of the series so far.