Shark interrupts the filming of Underwater World With Bob, scattering the other creatures (and the audience), but he claims it is all a terrible misunderstanding--that he would never think of eating the fish, the squid, the audience...or Bob.

A hermit crab who has outgrown his old shell moves into a new one, which he decorates and enhances with the various sea creatures he meets in his travels.

Bob, host of Underwater World with Bob, is furious with Shark, not only because Shark ate him (admittedly bad manners), but because Shark will not even admit what he did; the ocean may not be big enough for both of them--unless Shark faces up to his bad behavior, stops sulking (and eating the animals on the program, and maybe barfing up his stomach) and apologizes.

"Peter the puffer fish worried about lots of things, but his friends always helped him feel better"--From the publisher's web site.

When SpongeBob and friends form a rock band, Squidward is resentful, and he steals their instruments.

Their magic tree house takes Jack and Annie deep into the sea, where they meet up with dolphins, sharks, and octopi as they search for the answer to an ancient riddle.

"Narwhal and Jelly come across a strange object and wonder what its purpose might be."--

Ven, Char, and the merrow Amariel explore the world beneath the sea, where beauty is more than matched by dangers, and soon they realize that in order to save thousands of innocent lives, they may have to sacrifice their own.

While trying to reel in a big fish, a child is pulled into the sea and has a series of underwater adventures with various marine animals.