UPDATED Tonight in HD: February 23

The Big Bang Theory's Jim Parsons and Mayim Bialik

Friends (TV2, 6.30, R)

The gang learns Phoebe married a gay Canadian ice dancer to help him get his green card; Ross seeks relationship advice from Rachel.

Two and a Half Men (TV2, 7.30)

Alan moves in with Lyndsey but continues to rendezvous with Melissa at Charlie’s house. What the critics say: TV Fanatic.

The Big Bang Theory (TV2, 8.30)

The guys are concerned as Sheldon searches for an alternative to human companionship after he and Amy break up. What the critics say: USA Today, Entertainment Weekly.

Hawaii Five-O (TV3, 8.30, 5.1)

A deadly gang war erupts during a high-school football game and Chin discovers that his cousin may be involved. What the critics say: TV Fanatic, Celebrity Blend, TV Overmind. (Rescheduled from last night.)

Cougar Town (TV2, 9.00)

As Jules adjusts to living on her own, Grayson unwillingly becomes the new object of her constant attention; Travis turns to Bobby for advice on how to redefine himself at college; Ellie has problems with her friendly new nanny. What the critics say: TV Overmind, Cultural Learnings.

Sons of Anarchy (TV3, 9.30, 5.1)

Zobelle cooks up a ‘temporary problem’ for Hale to solve as a way to undermine SAMCRO. What the critics say: BSC, Buzz Focus.

The Mentalist (TV2, 10.30, R)

Jane and Lisbon learn that the Red John case has been reassigned to a new CBI team led by the straight-shooting officer Sam Bosco.

Bones (TV3, 11.10, 5.1, R)

The skull and various skeletal remains of a long-missing ex-Marine lead to the investigation of an elite private school.