Nitro goes undercover for a special Children in Need prank on Apollo and recruits Sabre, Alfie Watts and Pudsey to help. 

Every single Gladiator gets their revenge on Nitro. He thinks he is filming a science show, but phoney interruptions and bogus camera hiccups lead to an epic pie pandemonium finale!

Dynamite, Nitro, Comet and Giant go head-to-head at a restaurant full of diners - but will beatboxing, singing burgers, flat cola and a leaping salmon be a dare too far? 

Nitro, Fire, Hammer and Apollo go head-to-head to rack up prank points - but will ponytails, air guitars, inflatable flamingos or zebras lead to a tap-out? 

Hammer, Nitro, Fire and Phantom flex their prank powers in the gym, but only one can win. Will donut dares, motivational mayhem or haunted gym bikes cause an early tap-out? 

Nitro, Cyclone, Legend and Sabre compete at a hotel check-in desk as they dare each other with outrageous instructions for the chance to win or tap out and risk losing. 

Nitro, Fire and Hammer prank a dad who thinks his son is meeting the Gladiators. However, when Hammer doesn't appear, dad is asked to put on a fake wig, beard and costume to stand in! 

Nitro hires a fake image guru and, with help from the Gladiator producers, tells Viper and Phantom they need new looks as a prancing unicorn and a lassoing cowboy! 

Nitro and wildlife presenter Megan McCubbin confuse Bionic with a fake birdwatching club as he dresses in feathers, makes bizarre bird calls and joins a bird-loving conga. 

Nitro, Legend and Freddie Fraser fool Apollo, Athena, Fury and Giant with a hilarious farm prank – prepare for jigs, turnip tosses, owl chases and a panto cow reveal!