Nitro and Apollo prank Dynamite turning her into a singing banana. The other Gladiators have fun behind the scenes and pranking the audience at Sheffield Arena.

Nitro and Phantom prank Fire at a kids' birthday party. The rest of the Gladiators have fun behind-the-scenes and pranking the audience at Sheffield Arena.

Giant is pranked by Nitro when he appears as a guest of honour at a fake school award ceremony. The other Gladiators have sneaky fun backstage at Sheffield Arena.

Nitro pranks Apollo with fake influencer Aubry Devonne Keep, causing a big splash. The other Gladiators have fun behind the scenes and pranking the audience at Sheffield Arena.

Nitro and Sabre prank Steel at a fake Halloween photoshoot with a huge spider costume, bats and a surprising ghost! The other Gladiators have fun behind the scenes at Sheffield Arena.

Nitro and Fury prank Cyclone, who thinks she is filming an animal-themed exercise video dressed as a turtle. The other Gladiators have fun pranking the audience at Sheffield Arena.

Nitro pranks Diamond when the guest on a live TV show can’t stop pumping! The other Gladiators have fun behind the scenes, pranking the audience at Sheffield Arena.

Nitro pranks Apollo again - this time he thinks he is filming for a Gladiator video game set in ancient Greece. And the other Gladiators have sneaky fun backstage at Sheffield Arena.