Russell returns home from a performance to find his prized vegetables have been stolen. The evidence points to Sniveller, who has just broken out of prison. Picking up a signal on the mysterious chicken radio, Russell and his friends must travel to Scotland to face Sniveller again. But what will they find beneath the waters of Loch Guess? And who is the man following them on a horse? Now with his girlfriend Belinda along for the ride, Russell, Marny and Rip must stand up against their old enemy. There they will meet some old friends and make some new ones, but most importantly open up several...

Kurt Sniveller, being the bounder his is, can't stay quiet for long. The evil former wrestler is at it again, this time in the Andes Mountains of Peru, where he has discovered an ancient and elegant beast which may hold some of the secrets of mankind. In desperation, its keeper writes to Russell to ask for help in saving the mighty Badassaur from the dangerous clutches of Sniveller and the Sprite Squadron. The gang must rush off to Peru, where they will not only discover that Cap'n Nerv is also a free-style rapper but that there are secrets in Russell's past that the big man himself couldn't...

Marny is taking a well-deserved holiday in Siena, Italy. However, almost before he's settled in to a posh hotel, a new art display in a local gallery starts to turn hordes of tourists into zombies. With the Sprite Squadron spotted in the town he's sure who's behind it, but as he soon discovers these are not just ordinary zombies, and he can only hope that Russell can get there in time. Will Russell have what it takes to defeat the powers of the mysterious artifact known as the Sneevla? For this time, not only will there be a clash of friend against foe, but friend against friend...