The Crystal Maze Season 4: Episode Guide & Ratings

Maze Master Richard Ayoade guides a glittering array of fearless famous faces through a plethora of brand new games in The Crystal Maze. Olympic legend Dame Kelly Holmes takes charge of grime MC Big Narstie, actress Jorgie Porter, internet superstar Alfie Deyes, and gold medallist Greg Rutherford in an action-packed journey to the Crystal Dome. Along the way Big Narstie comes face to face with Jarhead, so how will the master of grime cope with his mighty riddles?

Former footballer Dennis Wise captains a celebrity team including DJ Roman Kemp, Made in Chelsea's Binky Felstead, Happy Mondays maraca shaker Bez, and published author Katie Price. But with Binky getting in a mathematical spin in the Futuristic Zone, Katie sizing up the Medieval Zone as a potential wedding venue and Bez mesmerised by the flying tokens in the dome, does this team have the focus needed to crack the Crystal Maze? Maze Master Richard Ayoade presides.

Maze Master Richard Ayoade presides as Judy Murray captains a team of celebrities hoping to ace their way to the Crystal Dome. Paralympic legend David Weir, footballer Wayne Bridge, Countdown's Rachel Riley and TV personality Charlotte Crosby all combine to tackle skill, physical, mystery and mental challenges. Will Judy coach her team to victory, or will the Maze have Rachel's number?

Broadcasting legend Richard Madeley captains his team featuring comedian Joe Wilkinson, broadcaster Kate Garraway, Blue Peter's Radzi Chinyanganya, and Pussycat Dolls star Ashley Roberts. Guiding these hapless celebrities is the mighty Maze Master Richard Ayoade, who this week proves that no one is immune to the pitfalls of the Maze!

In the final show of this run, it's the turn of the Derry Girls to take on the mighty maze! Master of the Maze Richard Ayoade leads team captain Saoirse-Monica Jackson and her fellow cast members Jamie-Lee O'Donnell, Louisa Harland, Nicola Coughlan and Dylan Llewellyn on a time-travelling adventure to collect those precious crystals. They're all beyond excited, but will they ever listen to 'the wee English fella'?