Friday on TV

High School Football (6:30 p.m., KJZZ): Utah Class 4A Championship.

Medium (7 p.m., Ch. 2): Allison's visions cause her to question the guilt of a sex offender.

Supernanny (7 p.m., Ch. 4): Jo helps a couple with five unruly children who often play around the family's unfenced swimming pool.

School Pride (7 p.m., Ch. 5): A Los Angeles middle school receives new athletic facilities.

Smallville (7 p.m., Ch. 30): Lois becomes frustrated when Clark continues to brush aside her offers to help the team.

Women's college basketball (7 p.m., The mtn.): Stanford at Utah

NBA basketball (7 p.m., FSN): Spurs at Jazz.

College football (7:30 p.m., ESPN2): Fresno State at Boise State.

CSI: NY (8 p.m., Ch. 2): The CSIs uncover a secret about the deputy chief's past that threatens to ruin his stellar reputation and close-knit family.

Dateline (8 p.m., Ch. 5): Prince Charles discusses his role as the Prince of Wales. Then Prince Charles' environmental work is documented in Harmony (9 p.m., Ch. 5).

The Good Guys (8 p.m., Ch. 13): Jack and Dan uncover a major heist involving a shipment of high-profile diamonds.

Supernatural (8 p.m., Ch. 30): Dean is abducted from a crop circle while investigating a UFO sighting.

Blue Bloods (9 p.m., Ch. 2): A Reagan's life is in danger after three criminals are released from prison.