Stephen Merchant welcomes a team of celebrities to this special edition of the legendary game show in aid of Stand Up To Cancer. Rio Ferdinand captains an all-star line-up featuring Michelle Keegan, Jonnie Peacock, Sara Cox, and Josh Widdicombe. The team of five stars take on the Aztec, Medieval, Future and Industrial zones, attempting a variety of skill, mental, physical and mystery games. Each game could earn the team a crystal, with each crystal awarding the team crucial time for their ultimate challenge...The Crystal Dome.Inside The Crystal Dome the team attempt to collect gold tokens, which will be converted to money in the hope of winning a huge cash prize for Stand Up To Cancer.

Richard Ayoade guides five intrepid celebrities - Ore Oduba, Vicky Pattison, Alex Brooker, Lydia Bright and Louie Spence - through the Aztec, Medieval, Industrial and Future zones, where they play a range of skill, mystery, physical and mental challenges to win the all-important crystals. The more they win, the more time they have in the final test - the Crystal Dome.

Richard Ayoade guides Steve Jones, Scarlett Moffatt, David Coulthard, Joey Essex and team captain Jodie Kidd through the maze in order to win for Stand Up To Cancer

Richard Ayoade guides Joel Dommett, Jermaine Jenas, Adil Ray, Tamara Wall and captain Rylan Clark-Neal through the game show to raise funds for Stand Up To Cancer.

Maze Master Richard Ayoade guides a team of five intrepid celebrities in aid of Stand Up To Cancer. The stars hoping to conquer the maze in this edition are team captain Andrea McLean, Spencer Matthews, Tom Allen, Stacey Solomon and Joe Swash. Their hopes are high. As ever, the Maze Master's expectations are low.

Maze Master Richard Ayoade guides teams of five intrepid adventurers through the epic game show adventure. In the first show of a new series will the Watson family crack the Maze?

Maze Master Richard Ayoade guides captain Leon's team of confident air cadets through the Maze. The team begins the night predicting big things, but will they be able to deliver?

This week, a martial arts team journey through the Maze. The high-kicking group features a player who took part in the original series 26 years ago. She won both her games back then, but will her 100% record remain intact this time around?

In this edition, the Cosplay team journey through the Maze. They are huge fans of the show and have engaged in intensive research on how to tackle the challenges ahead. But will all the preparation pay off or be utterly pointless?

Maze Master Richard Ayoade guides the Cheerleaders, five disproportionately excitable young ladies who hope enthusiasm will help them in their quest through the Maze. But will they still be cheering when they make it to the Crystal Dome?

Maze Master Richard Ayoade guides the Well Read and Underfed team - a group of plucky young students - through the Maze. Will they graduate with honours or will the Maze mark them down?

An all-female football team tackle the Maze. They hope to score, but will they play defensively or go on the attack, and will there be any own goals?

This group of Welsh hopefuls met while working in a restaurant, so the question is will they serve up a victory or leave with a large serving of humble pie?

Richard Ayoade guides celebrity adventurers including Nicola Adams, Ellie Simmonds, Olllie Locke, Mollie King and Tom Davis, in aid of Stand Up To Cancer.

Richard Ayoade guides a new bunch of adventurers through the Maze. In this edition, the Hauxwell family take on the challenges and make their mark in the Crystal Maze history book.

In this episode, the team met on jury service and are looking to deliver justice in the dome. They may have high hopes, but the maze is a law unto itself.

Richard Ayoade guides Team Love It - a group of five likely lads who met at a school for the deaf - through the Maze. What puzzling possibilities await the team in the four zones?

Richard Ayoade guides Black Ice, an AC/DC tribute band from Newcastle through the show. Will they rock the Maze or will the physical and mental challenges prove to be a highway to hell?

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'?

Richard Ayoade guides everyday adventurers hoping to make it to the Crystal Dome. Will a team comprised of people paid to play computer games for a living be able to nerd their way to victory?

It takes self-belief, attitude and quick wits to conquer the Maze. Tonight's team, The London Girls, are overflowing with two of the three qualities. Will Maze Master Richard Ayoade ever be able to keep control of this calamitous and kamikaze bunch?

Maze master Richard Ayoade leads the Holmes family around the maze as they attempt to win precious crystals and not have a major falling out.

Richard Ayoade guides the Let's Get Medical team - a group of medical students - in this week's challenge. They may be used to studying the complexities of the human body, but the pressure of the mighty maze can turn even the brightest minds to mush.

Today's team are called The Vikings because they spend most of their spare time living like Vikings! As they travel through the Aztec, Futuristic, Medieval and Industrial zones they'll learn the answer to the question: 'can you ever have too much testosterone in a room'?

This episode's team are The Science Nerds, proving that putting the words 'science' and 'nerds' in the name of your team isn't necessarily a guarantee of competence. Richard Ayoade oversees the antics.

In this festive special, a bemused Richard Ayoade guides a celebrity team of haplessly enthusiastic adventurers around a special panto-themed Maze. Captaining the team is Christopher Biggins, leading Deborah Meaden, Jamie Laing, Frankie Bridge and Chris Kamara with some surprising celebrity cameos and a pantomime cow along the way.

Richard Ayoade returns with a new series of celeb adventurers. Gemma Collins, James Argent, Carol Vorderman, Ellie Taylor and Rick Edwards tackle the maze and the new Eastern Zone.

Richard Ayoade welcomes more celeb adventurers. Anita Rani leads Jeff Stelling, Hannah Cockcroft, AJ Pritchard and Tom Rosenthal to pit their wits against the maze.

Richard Ayoade guides another team of of adventurers towards the Crystal Dome. Actor and model Nancy Sorrell leads her team of adventurers: Vic Reeves, Ferne McCann, Graeme Swann and Susan Calman.

Sunetra Sarker leads Matthew Wright, Ann Widdecombe, Nikki Sanderson and Wes Nelson in one of the most breakaway entertaining and surreal Crystal-based Maze outings to date.

DJ Melvin Odoom takes on the role of team captain, alongside comedian Al Murray, actor Kara Tointon, reality TV stalwart Olivia Attwood and Hollyoaks actor Ashley Taylor Dawson. As usual self-congratulatory highs, lock-in lows and some semblances of redemption lie in store for all concerned.

Richard Ayoade hosts the final episode in the current run of the show featuring intrepid celebrity Mazekateers. This time around, hot-stepping support comes from Strictly's Oti Mabuse and Naked Attraction's Anna Richardson, who finally appears on a show where people keep their clothes on, while bringing up the rear are Kent heart-throb and Love Island winner Jack Fincham and comedian Russell Kane, all ably led by 'dad vibe' award-winning actor and League of Gentlemen lynchpin Steve Pemberton.

Richard Ayoade hosts as Catherine Tyldesley captains an all-star team with Shirley Ballas, Gareth Malone, Scarlett Moffatt and Nish Kumar. Richard Wilson plays Father Christmas.

Maze Master Richard Ayoade guides three police staff, a postal worker and a hairdresser through four fantastically fearsome zones.

Five midwives take on the physical and mental challenges of the mighty maze, under the watchful gaze of Richard Ayoade.

The Ali Family are arguably the strongest team on paper ever to face the maze. Can they pull off a top score in the zones? Maze Master Richard Ayoade finds out.

Richard Ayoade hosts as team captain Laura Whitmore leads Chris Ramsey, Perri Kiely, Jordan Banjo and Gareth Thomas through the notoriously tricky challenges of the mighty maze.

Richard Ayoade guides an all-star team - Tamzin Outhwaite, Phil Tufnell, Dr Ranj Singh, Francis Boulle and Joel Dommett - through the four formidable zones.

Matt Edmondson, Debbie McGee, Kimberly Wyatt, Michael Owen and Chris Hughes pit their wits against the legendary maze. But Chris has a wobble with one particularly tricky trial.

This time, pop star Faye Tozer steps up as team captain of the latest celebrity supergroup to tackle The Crystal Maze. Back-up comes from her vice-captain, comedian Nick Helm, and teammates, Hollyoaks actor and comedian Richard Blackwood, The Chase quizmaster Anne Hegerty, and Jordan Stephens, half of the hip-hop duo Rizzle Kicks.

In this episode, reality TV star Spencer Matthews makes his second appearance in The Crystal Maze, but will he fare better this time with his wife Vogue Williams, a model and TV presenter, by his side? Joining them are team captain Sir Chris Hoy, the six-time Olympic gold-winning cyclist, reality TV star Jessica Wright and the Reverend Richard Coles, as they somewhat shakily navigate the pitfalls of the four zones.

This time, pop star Fleur East leads a thespian-filled team, as she guides actors John Thomson, Nina Wadia and Natalie Cassidy, as well as reality TV star Georgia 'Toff' Toffolo, on a wild ride full of twists and turns.