Another Leno Show replaced on Tuesday, Feb 2

February 2nd
8:00-9:00 THE BIGGEST LOSER (Repeat)
9:00-11:00 THE BIGGEST LOSER (Original)

Added 2/9/10: Turns out this was the night Jay Leno flew to NYC for the taping of Letterman/Oprah/Leno SuperBowl ad, all very hush-hush.