Tonight in HD: August 23

Chef on a Mission (TV One, 8.30)

Friends (TV2, 6.30, R) ✫✫✫

Phoebe’s former boyfriend returns for one night only, but Joey could ruin their plans, and Monica plots revenge on her cousin’s wedding day.

Shortland Street (TV2, 7.00) ✫✫

Under the Grill (TV3, 8.00) ✫✫

With $4 million and 100 days, Sean Connolly’s quest to turn a demolition site into Auckland’s top dining destination continues.

Chef on a Mission (TV One, 8.30) ✫✫✫

Season premiere: Aboard deep-sea fishing trawler Amaltal Enterprise, chef Simon Gault cooks the crew breakfast, lunch and dinner out of a tiny galley. Preview: NZ Herald.

Grey’s Anatomy (TV2, 8.30) ✫✫

Bailey sneaks off with Eli and gets into a little mischief and everyone is surprised when the Chief’s wife, Adele, shows up as one of the ER patients.

NCIS (TV3, 8.30, 5.1) ✫✫

After they are attacked, the team searches for answers, and one agent has a flashback of the first NCIS mission.

Private Practice (TV2, 9.30) ✫✫

Charlotte and Cooper look to forgive each another after revealing secrets during couples therapy.

Hamish & Andy’s Gap Year (TV3, 9.30) ✫

The ex-Rove personalities broadcast their gap year trip to America from a makeshift studio in a Brooklyn factory in front of a live audience.

Nothing Trivial (TV One, 11.00, R) ✫✫

New sexy adversaries lead Brian into dangerous liaisons. And Michelle finds war can have its upside . . .

Medium (TV3, 11.15, 5.1, R) ✫✫

Allison dreams about a game show that detects whether or not you’re telling the truth and when she awakes, a game show buzzer goes off in her head whenever someone lies to her.

Cold Case (TV One, 12.00, R) ✫✫