NBC will be getting more than $1 billion in ad revenue from the Olympics this year. They've already sold off 85% of their inventory at a cost of $750,000 per 30-second spot. Looks like the network is looking to break a different kind of record.

8:00pm Big Brother CBS - Wednesday edition premiere

9:00pm Project Runway BRAVO - Season Premiere.

9:00pm Nova scienceNOW PBS/KCET - Finch Brains; Northern Lights; Yoky Matsuoka's robots; Smart Bridges

9:00pm Martin Lawrence Presents 1st Amendment Stand-up STARZ - Featuring excellent comedians Bruce Bruce, Deon Cole, and Rodney Perry

9:00pm Dog the Bounty Hunter A&E - Season Premiere.

10:00pm Celebrity Circus NBC - Season Finale.

10:00/10:30pm Click & Clack's As the Wrench Turns PBS/KCET - Two episodes of the new animated series.

10:00pm ABC News PrimeTime Crime: "Kidnapped Cousins" ABC - Investigative reporter Cynthia McFadden looks at the underground world of child sex trafficking

10:00pm Run's House MTV - Season Premiere

10:00pm Family Foreman TV Land - Series Premiere

11:35pm The Late Show With David Letterman CBS - Actress Maggie Gyllenhaal; musician Neil Young; the Hold Steady performs.

11:35pm The Tonight Show With Jay Leno NBC - Actor John C. Reilly; professional tennis player Venus Williams; Gavin Rossdale performs.

12:35am The Late Late Show With Craig Ferguson CBS - Actor Ben Kingsley; Popovich Comedy Pet Theater

Click & Clack's "As the Wrench Turns" pic via PBS