Street dance star Akai joins the team to give one megafan the surprise of their life. Sam and Mark go to Wolverhampton to prank two unsuspecting viewers. Show more
Union J team up with hosts Sam Nixon and Mark Rhodes to surprise two of their biggest fans. Comedian Jack Carroll drops in to the studio for a chat. Show more
Wolfblood star Bobby Lockwood joins the team to surprise two megafans. Hosts Sam and Mark take their hidden cameras to Shrewsbury to play In Yer Face. Show more
Pop superstars the Vamps join Sam and Mark in the studio to perform their latest track, and CBBC's Chris Johnson visits for a special game of In Yer Face. Show more
Sam Nixon and Mark Rhodes are back to get the weekend party started with special guests the Struts. The boys take their hidden cameras to Surrey. Show more
Pop superstar Jessie J joins the Wind-Up team to give three of her biggest fans the surprise of their lives in a special hidden-camera prank. Show more
Sam Nixon and Mark Rhodes are back with more surprises and hidden camera pranks. Cel Spellman goes undercover to wind up two of his biggest fans. Show more
Hosts Sam Nixon and Mark Rhodes take their box of disguises to Manchester to play In Yer Face with a couple of unsuspecting fans. Show more
Sam and Mark create perfect harmony with celebrity guests the Overtones, and there's music from pop sensation Tich. The boys also make a One Direction fan's dreams come true. Show more
In the final show, Sam and Mark look back at some of their favourite moments and celebrity guests from the series. Show more