Desperate to be a big guy, SpongeBob sets out to prove his bravery to Mr. Krabs by following The Flying Dutchman – a mysterious swashbuckling ghost pirate – on a seafaring adventure that takes him to the deepest depths of the deep sea, where no Sponge has gone before.

A genetic engineering experiment gone horribly awry turns a large flock of docile sheep into unrelenting killing machines.