What we're watching tonight:
NBC (1080i) has Community at 8 p.m., Parks & Recreation at 8:30 p.m. and The Office at 9 & 9:30 p.m.
ABC (720p) has Flash Forward at 8 p.m., Grey's Anatomy at 9 p.m. and the season premiere of Private Practice at 10:01 p.m.
CBS (1080i) has Survivor at 8 p.m., CSI at 9 p.m. and The Mentalist at 10 p.m.
Fox (720p) has Bones at 8 p.m. and Fringe at 9 p.m
CW (1080i) airs The Vampire Diaries at 8 p.m. and Supernatural at 9 p.m.
WGN (1080i) has WWE Superstars at 8 p.m.
FX (720p) has It's Always Sunny in Philadelphia at 10 p.m.
Spike (1080i) has TNA! Impact at 9 p.m.
TBS (1080i) has Phillies/Dodgers NLCS Game 1 at 8 p.m.
ESPN (720p) has Cincinnati/USF college football at 7:30 p.m.