Friday TV Highlights: 'Who Do You Think You Are?' on NBC
IRISH ROOTS: Rosie O'Donnell traces her family's history back to Ireland on a new episode of “Who Do You Think You Are?” at 8 p.m. on NBC.
The Defenders: Dan Aykroyd guest stars in the new episode as a judge whom Nick (Belushi) agrees to defend on charges of drug possession. Rob Belushi (Jim's son) also guest stars in this new episode (8 p.m. CBS).
Smallville: Oliver and Chloe (Justin Hartley, Allison Mack) are kidnapped by Desaad (Steve Byers) and his minions after being mistaken for FBI agents in this new episode (8 p.m. KTLA).
Supernanny: While her husband, a major in the Marine Corps, is serving in Afghanistan, a woman's Camp Pendleton home seems like a war zone as she tries to maintain order with their four adopted kids (8 p.m. ABC).
CSI: NY: When a serial rapist is found restrained and murdered in the same way that he used to dispatch his victims, Mac (Gary Sinise) and his team feel conflicted about pursuing his killer in this new episode (9 p.m. CBS).
Spartacus: Gods of the Arena: The father of Batiatus (John Hannah) announces a tournament to determine the merits of the diverse men in his stable of gladiators, and Crixus (Manu Bennett) is drawn into the power play within the house in this new episode (10 p.m. Starz).
Killed by Coyotes? This new special looks at the case of a Canadian folk singer hiking in one of his country's national parks who became the first adult human in recorded history to be attacked and killed by coyotes (7 and 10 p.m. National Geographic).
The Hospital: Screenwriter Paddy Chayefsky wrote this dark 1971 comedy set in a Manhattan teaching hospital, where a suicidal doctor (George C. Scott) falls for the beautiful daughter (Diana Rigg) of an insane patient (5 p.m. TCM).
Jerry Maguire: Tom Cruise is a sports agent in this 1996 drama. Renée Zellweger and Cuba Gooding Jr. costar (10 p.m. Bravo).
Pro basketball: BBVA All-Star celebrity game (4 p.m. ESPN); T-Mobile rookie challenge & youth jam (6 p.m. TNT).
Hockey: The Ducks visit the Minnesota Wild (5 p.m. FS Prime).
Photo: Charles Sykes / NBC