Dark Days in Monkey City

Tonight's TV Hot List for Tuesday, Feb. 24, 2009

Biggest Loser: Couples8 pm/ET NBCThe players are thrust out of their comfort zones in the first half of this two-part episode. The buddy system goes out the window as the teams are reorganized into just two groups. This move pairs some players with a new trainer, and the adjustment isn't an easy one for all of them. Once the dust settles, the contestants compete in a 24-hour bike challenge. The second half of the episode airs tomorrow at 8 pm/ET.Read on for previews of Address to the Joint Session of Congress, Leverage, Nip/Tuck and Dark Days in Monkey City.