“30 Rock” (8 p.m., NBC): Three-time Emmy champ “30 Rock” launches its


October 4, 2012 at 12:00a.m.

“30 Rock” (8 p.m., NBC): Three-time Emmy champ “30 Rock” launches its seventh and final season tonight. The opener has Liz (Tina Fey) returning from hiatus, only to be shocked by Jack’s (Alec Baldwin) awful fall-programming lineup.

TV listings, B6