10 year old Max and his best friend Sharkdog - half shark, half dog, all appetite. Blissfully unaware of his own strength, stealth and general sharkiness, Sharkdog often leaves a trail of chaos in his wake.

The Sharkpack gets ready for Halloween with the spooky legend of the "Fearsome Fog" — and Sharkdog must save trick-or-treating from a slimy sea monster!