Tonight in HD: April 12

NCIS: LA's Chris O'Donnell

Friends (TV2, 6.30, R)

Phoebe is reunited with her former singing partner; Chandler dates a woman with a prosthetic leg; Rachel’s new job continues to put a strain on her relationship with Ross.

Missing Pieces (TV3, 8.00)

Sandy will stop at nothing to meet her dad, but is he the loving father she’s hoped for? Plus: the runaway brother missing for nine years — can he be found?

Go Girls (TV2, 8.30)

A familiar face is back and determined to help, as Britta takes on an enemy of gargantuan proportions.

NCIS: Los Angeles (TV3, 8.30, 5.1)

Kensi takes a case personally when she bonds with a witness, a former naval intelligence officer suffering from post traumatic stress disorder who is the only survivor of a shootout. What the critics say: TV Fanatic.

Off the Map (TV2, 9.30)

When a hepatitis outbreak spreads through the local prison, the team jumps into action, and Lily learns more about Mateo. What the critics say: Daemon’s TV.

Eli Stone (TV2, 11.30)

Eli and Keith sue a prisoner while a senior partner threatens Jordan’s power.