Tonight in HD: April 20

Two and a Half Men's Jenny McCarthy and Charlie Sheen

Friends (TV2, 6.30, R)

Rachel regrets making a date for Chandler and her boss; Monica’s aunt dies, leaving her an antique dollhouse – which Monica doesn’t want Phoebe to play with.

Shortland Street (TV2, 7.00)

Jill makes a disturbing discovery; Brooke is an unwitting target of obsession; TK winds up in bed with Sarah.

Two and a Half Men (TV2, 7.30)

Alan is ashamed that he can’t afford to buy Lyndsey a birthday present, so he gets creative. Jenny McCarthy guest stars. What the critics say: TV Fanatic.

The Big Bang Theory (TV2, 8.30)

Amy has sexual feelings for Penny’s ex-boyfriend; Koothrappali and Wolowitz try to prove who would be the better superhero. What the critics say: AV Club, IGN.

Hawaii Five-O (TV3, 8.30, 5.1)

While Five-0 investigates the murder of a man on his honeymoon and his wife’s abduction, Medical Examiner Max Bergman recognises uncanny similarities to a series of unsolved homicides from a year ago. What the critics say: Alex O’Loughlin Rocks.

Cougar Town (TV2, 9.00)

Jules wants to help Bobby gain his confidence back and thinks fixing up his boat and getting it back in the water will do the trick; Ellie looks to dig up some dirt on Grayson. What the critics say: AV Club, TV Overmind, Hitfix.

Sons of Anarchy (TV3, 9.25, 5.1)

While Opie seeks both revenge and reconciliation, Chibs makes a secret deal with Agent Stahl to protect his wife and daughter. What the critics say: Time, What’s Alan Watching.

The Mentalist (TV2, 10.30, R)

Patrick Jane and the team are called to investigate the robbery and murder of a wealthy jeweller while attending a black tie fundraiser for the CBI.

Bones (TV3, 11.15, 5.1, R)

The team is led to a well-known physics research facility after finding a piece of a meteorite in the ear of a victim whose pulverised remains were found in a garbage bag.