Friday on TV

Ghost Whisperer (7 p.m., Ch. 2): Jim suspects a colleague when a med student disappears.

Law & Order (7 p.m., Ch. 5): A wealthy young woman is murdered, but robbery doesn't seem to be the motive.

High-school football (7 p.m., Ch. 14): Pleasant Grove at Davis (tape-delayed)

Smallville (7 p.m., Ch. 30): Jor-El comes to the Kent farm looking for his son.

Stargate Universe (7 and 9 p.m., Syfy): A risky plan that could bring the crew home is debated.

Medium (8:02 p.m., Ch. 5): Allison hears voices over a satellite radio.

Ugly Betty (8 p.m., Ch. 4): Betty feels obsolete when Daniel hires a new assistant.

Sanctuary (8 and 10 p.m., Syfy): Dr. Magnus finds the Sanctuary has been destroyed.

Numb3rs (9:02 p.m., Ch. 2): The team tries to run a sting to trap a cyber-crime lord.

Monk (10 p.m., USA): In order to get reinstated, Monk tries to befriend Lt. Disher.

White Collar (11 p.m., USA): Caffrey and Burke are ordered to retrieve a valuable Bible stolen from a mobster.