What's On Tonight: The Office, Ugly Betty, Grey's Anatomy, Big Shots

Even more series and season premieres rule Thursday...

• At 8, NBC has the one-hour season premiere of My Name Is Earl, then the one-hour season premiere of The Office and the season premiere of ER.
• ABC has the season premiere of Ugly Betty, then the season premiere of Grey's Anatomy and the series premiere of Big Shots.
• CBS has a new Survivor: China, followed by the season premieres of CSI and Without A Trace.
• There's a new Are You Smarter Than A Fifth Grader on FOX at 8, then a new Don't Forget The Lyrics.
• The CW has the season premiere of Smallville, then a repeat of the Reaper debut.
• At 9, PBS has a Political Forum with Republican candidates, hosted by Tavis Smiley.
• At 10, AMC has a new Mad Men.
• Food Network has a new Ace of Cakes at 10.
• FX has a new It's Always Sunny In Philadelphia at 10.
• Also at 10: Bravo has a new Tim Gunn's Guide To Style.
• At 11:30, STARZ has a repeat of the first episode of Richard Roeper's series STARZ Inside, focusing on "Fog City Mavericks" such as George Lucas, Clint Eastwood, and Francis Ford Coppola.

Check your local TV listings for more.