Tonight in HD: March 24

The Bones team find something wonky in the chocolate factory

Friends (TV2, 6.30, R)

Ross reveals a fantasy to Rachel involving Princess Leia; Monica suffers from insomnia after her break-up with Richard; Chandler, back together with Janice, wants Joey to bond with her.

No Ordinary Family (TV2, 8.30)

Stephanie tries to determine why Jim has lost his powers; Katie gets a boyfriend;  Mr Litchfield catches JJ hacking into the school computer; Daphne uses her powers to impress a boy. What the critics say: IGN, The TV Watchtower.

Bones (TV3, 8.30, 5.1)

Human remains are discovered in the world’s largest chocolate bar, manufactured by an eccentric chocolatier. Seinfeld’s Wayne Knight guest stars. What the critics say: Give Me My Remote, TV Fanatic.

An Idiot Abroad (TV3, 9.30)

Karl Pilkington visits Peru’s Machu Picchu via the Amazon. What the critics say: Simply Television, Splitsider.

Fringe (TV2, 10.30)

Walter remembers the events in 1985 to Olivia, including how Peter ended up where he is today and what happened to the boy’s mother, Elizabeth Bishop. What the critics say: Mania, TV Overmind.

The Unit (TV3, 11.45, 5.1)

A plane armed with a deadly nerve gas heads for Fort Griffith. While Jonas tries to find out who is behind the attack, Bob tracks the plane from the air.