Geordie Shore's Marnie Simpson, Chloe Ferry and Nathan Henry swap Newcastle for Eastern Europe and try to outrun the Hounds. If they can overcome a mutant baby, some half-finished clones and Chloe's constant flirting with Reggie they might stand a chance.

Reggie Yates watches on as another team of celebrities try and out run the hounds. The Box's AJ Odudu, Maya Jama and Will Best must face the sausage maker from hell, a zombie scientist and the world's creepiest bird watcher.

In this edition, the stars of Love Island swap cocktails and sunshine for rat monsters and a pitch black forest. Chloe Crowhurst accompanies couple Marcel Somerville and Gabby Allen on the muggiest night of their lives. Will Gabby and Marcel's fledgling romance survive the trauma? Will Chloe stay single or fall for the Hounds?