Deep under the ocean's surface there are many mysteries that have yet to be unlocked, such as The Bermuda Triangle and underwater volcanoes. No one has dared to come close to unravelling the truth behind these enigmas ...until now! Now, everyone's favourite Bikini Bottom hero, SpongeBob SquarePants, is about to go where no sponge has gone before to discover the hidden secrets of the deep! Based on a special episode, this fun story adventure includes legends such as 'The Monster who came to Bikini Bottom' and 'Beware the Bermuda Triangle'.