In 2001, six celebrities entered the Big Brother house in honour of Comic Relief. It was eight days that had the nation hooked and helped raise millions of pounds. 22 years on since the original broadcast, the original housemates take a look back at this extraordinary moment in television history. From dancing in underpants to Vanessa writing on the furniture and Jack Dee’s great escape, revisit where celebrity reality TV was born.

Gorgeous Antonia is on a dangerous downward spiral caused by an addiction to heroin when she meets Mike, a tough drifter who helps her score more smack. Although they're not attracted to each other initially, Antonia and Mike eventually give in to their growing feelings for each other. But this leads to a dilemma: How does Mike help the woman he now loves kick her addiction?

During the first show of the Ultimate Big Brother final, a 10-minute documentary entitled Jade Goody: Ultimate Housemate was shown in memory of Big Brother contestant Jade Goody, who died in March 2009 from cervical cancer

Jimmy Carr tests Babatunde Aléshé, Daisy May Cooper, Natasia Demetriou, Jamie Demetriou, Judi Love and Russell Howard's knowledge of all things TV, from Pedro Pascal to Bake Off blunders.

An in-depth look through the keyhole of the famous Celebrity Big Brother house, revealing a compelling glimpse at the work that goes on behind the scenes.

A 60-minute best bits show airing on 5* showing some of the best moments from the past five civilian series of Big Brother on Channel 5.

A look back on the winner of Big Brother 12 in the House.

A look back on the winner of Celebrity Big Brother 8 in the House.

Dermot O'Leary chats to housemates about their life after their time in the house.