Nicktoons: The Dark Knights of Camelduck is the sequel to Nicktoons Unite!, Nicktoons: Battle for Volcano Island, Nicktoons: Attack of the Toybots and Nicktoons: Globs of Doom. Characters from SpongeBob SquarePants, Danny Phantom, The Adventures of Jimmy Neutron: Boy Genius, Tak and the Power of Juju, The Fairly OddParents, Almost Naked Animals, and the Sonic video games appear.