Aquatic Adventurers, Unite! features stories with a superhero theme. The book brings together the main characters and the rest of the undersea cast that fans know and love all in an exciting new comic book adventure.

"The stories included in this collection were originally published in SpongeBob Comics no. 3 (June 2011), 7 (February 2012), 9 (June 2012), 10 (July 2012), 17 (February 2013), 19 (April 2013), and 35 (August 2014); Annual Super-Giant Spectacular 1 (June 2013) and 2 (June 2014); and Freestyle Funnies (Free Comic Book Day, May 2013)"--Page facing title page.

Lo, there shall be a catered affair! / story and art by Dazzlin' Derek Drymon -- Sidekick blues / story: Derek Drymon ; art: Ramona Fradon -- The coming of the golden kelp / writer: Chuck Dixon ; artist: Hilary Barta -- The comic book / story: James Kochalka ; pencils and inks: Jacob Chabot -- Monstah Lobstah cometh! / story: Chuck Dixon ; pencils and inks: Hilary Barta -- Mermaid Man & Barnacle Boy vs Plankton! / story: James Kochalka ; pencils and inks: Hilary Barta -- Squidward and the golden clarinet / story: Derek Drymon ; art: Gregg Schigiel and Ramona Fradon -- The squishy knight! / by Jay Lender -- Heroes at the beach / story: David Lewman ; pencils and inks: Vince DePorter -- Missing man! / story: David Lewman ; pencils and inks: Jacob Chabot -- The claws of the Catfishtress! / Gregg Schigiel, story and art -- Convenient heroes / story and art: Israel Sanchez -- The secrets of the Merma-lair! / story: Derek Drymon ; pencils and inks: Jacob Chabot.