What we're watching: Tonight we've got another new episode of Studio 60 and the Scripps National Spelling Bee on ABC.

Our traditional high definition listings continue below.
All times are Eastern and reruns are in italics, finales in bold:

ABC (720p)
: 2007 Scripps National Spelling Bee (8 p.m.), Grey's Anatomy (9 & 10 p.m.)

CBS (1080i): CSI (9 p.m.), Shark (10 p.m.)

NBC (1080i)
: NBC Nightly News (6:30 p.m.), My Name is Earl (8 p.m.), 30 Rock (8:30 p.m.), The Office (9 p.m.), Studio 60 on the Sunset Strip (10 p.m.), The Tonight Show with Jay Leno (11:34 p.m.)

Fox (720p): N/A

CW (1080i): Smallville (8 p.m.), Supernatural (9 p.m.)

MYNTV (1080i): N/A

Discovery-HD (1080i): Panda Nursery (7 p.m.), Planet Earth (8 & 11 p.m.), Winged Migration (9 p.m.)

TNT-HD (1080i): Without a Trace (7 p.m.), NBA: Cavaliers at Pistons (8:15 p.m.), Inside the NBA (10:45 p.m.)

ESPN-HD (720p): SportsCenter (6 p.m.), NCAA Women's College World Series: Tennessee vs. Texas A&M (7 p.m.),

ESPN2-HD (720): NASCAR Now (6:30 p.m.), On the Set: Ruffian (7 p.m.), Baseball Tonight (9:30 p.m.), SportsCenter (11 p.m.)

Mojo HD(1080i): London Live (7 & 7:30 p.m.), Wild Rovers (8 p.m.), Fast Walking (10:30 p.m.)

Universal HD (1080i): Law & Order: SVU (7 p.m.), EDTV (8 p.m.), Stargate Atlantis (10 p.m.), Surface (11 p.m.)

HDNet (1080i): Higher Definition (7:30 p.m.), NASCAR Nextel Cup Replay (8 p.m.), Collective Soul - Home (10:30 p.m.)

HDNet Movies (1080i): Marathon Man (6 p.m.), Clear & Present Danger (8:05 p.m.), Witness (10:30 p.m.)

HBO-HD (1080i): Rebound (6:30 p.m.), The Sopranos (8 & 9 p.m.), Big Love (10 p.m.)

MAX-HD (1080i): In Her Shoes (6:05 p.m.), Red Eye (8:30 p.m.), Waist Deep (10 p.m.)

STZ HD (1080i): The Benchwarmers (7:30 p.m.), Pirates of the Caribbean: Dead Man's Chest (9 p.m.), Flightplan (11:35 p.m.)

Showtime (1080i): The American President (7 p.m.), Shame (9 p.m.), The Tudors (11 p.m.)

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