Stephen Mulhern is joined by Alesha Dixon, Josie Gibson, and Josh Widdicombe as he travels across the UK to find ordinary people to take on extraordinary challenges.

Stephen Mulhern is joined by Rob Beckett, Zoe Ball and Eddie Kadi as he travels across the UK to find more ordinary people to take on extraordinary challenges.

Stephen Mulhern is joined by Danny Jones, Greg Rutherford, and Oti Mabuse as he travels across the UK to find more ordinary people to take on some extraordinary challenges.

Stephen Mulhern is joined by Holly Willoughby, Rylan Clark, and Babatunde Aleshe as he travels across the UK to find more ordinary people to take on some extraordinary challenges.

Stephen Mulhern is joined by Will Best, Judi Love, and Johnny Vegas as he travels across the UK to find more ordinary people to take on some extraordinary challenges.

Stephen Mulhern is joined by Alex Brooker, AJ Odudu, and Ryan and Adam Thomas on the set of Emmerdale to find more ordinary people to take on some extraordinary challenges.