When Gnasher shares Claude the cat's luxury pampering tub, the two pets seem to switch personalities.
Dennis and his faithful hound Gnasher are out to make every day as much fun as possible, but their adventures often lead them into trouble.
After a typically traumatic bath time, Dad decides to take a leaf out of Walter's book and lures Gnasher into Claude the cat's luxury pampering tub. But, horror of horrors, sharing the bath has a strange effect on the two pets, as they seem to switch personalities...what's going on? More importantly, how do Dennis and Walter get their furry friends back to their usual scruffy and sleek selves?