Ruff has been so busy attempting to reunite with his long-lost parents that he's forgotten to choose the Season 5 FETCHers; behind-the-scenes look at how Ruff picks his contestants.

All of the contestants are stranded on a mysterious island; Fetch finds some clues about the disappearance of his parents.

When Ruff learns that he is going to inherit the Ruffman Manor from his ancestor Maximilian Ruffman, rumours about the manor's haunted past are a cause for concern; Ruff sends out the FETCHers to see if the rumours are true.

Shreya gets in the ring and learns how to do some boxing; Marc and Marco engineer a safe boxing helmet for Ruff to use.

When Chet begins replacing everything in the doghouse with cheese, it inspires Ruff to send Emmie on a cheese-themed challenge; Ruff seeks help from a carrier pigeon.

Grandma Ruffman realises that she's going to need a wedding gift; she also decides that it's time to bake a wedding cake.