Survivor (7 p.m., Ch. 2): There's a fake immunity idol in play.

American Idol (7 p.m., Ch. 13): Two male and two female contestants are eliminated.

Lost (8 p.m., Ch. 4): Desmond is in trouble on his way to the freighter.

Eli Stone (9 p.m., Ch. 4): Eli revisits a case he won through questionable tactics.

Lipstick Jungle (9 p.m., Ch. 5): Nico confesses to her affair.