Dennis and Gnasher cause chaos whilst on holiday in a seaside town.Dennis and Gnasher cause chaos whilst on holiday in a seaside town.Dennis and Gnasher cause chaos whilst on holiday in a seaside town.
Captain Trout's father from the series 1 episode Dennis Ahoy! (1996) makes a cameo appearance as the boat driver during the Gnasher water skiing scene.
When Dennis and his parents make a hasty exit from the guest house they're staying in, Dad is driving on the left hand side of the car rather than the right.