Malcolm in the Middle. Hal discovers his talent as a motivational speaker (Channel 5, 7:30).
The Contender. The remaining contestants must pull their loved ones in a racetrack challenge (Channel 4 at 8; another episode follows).
Ryan Seacrest will host "American Top 40 Live," based on the radio countdown show, on Channel 5 at 8 p.m.
Extreme Makeover: Home Edition. A Hastings, Fla., family that's gone through some tough times gets a home improvement (Channel 7 at 8).
Cold Case. The 1985 murder case of a millworker is reopened when new evidence surfaces (Channel 9 at 8).
Charmed. A shape-shifting demon threatens to spread sorrow throughout the world (Channel 50 at 8).
Desperate Housewives. A retrospective on the season so far (Channel 7 at 9).
Crossing Jordan. A desperate woman searching for her husband's killer takes Jordan hostage (Channel 4 at 10).
Grey's Anatomy. Meredith thinks she made a mistake during surgery that could jeopardize her career (Channel 7 at 10).