Nicktoons Unite!, known as Spongebob Squarepants and Friends: Unite! in Europe, is a 2005 video game featuring characters and levels from Spongebob Squarepants, The Adventure of Jimmy Neutron: Boy Genius, Fairly Oddparents, and Danny Phantom. It spawned 3 sequels named Nicktoons: Battle for Volcano Island, Nicktoons: Attack of the Toybots, and Nicktoons: Globs of Doom.
One morning, when Spongebob Squarepants goes out of his house, he sees that Plankton has taken over Bikini Bottom, and used a tank-like vaccuum to suck in all of the town's cilivilian. He sees Goddard coming out through a portal and recieves a message from Jimmy Neutron. He follows Goddard through the portal to Jimmy's Lab and meets Jimmy Neutron, Danny Phantom, and Timmy Turner. Jimmy tells his interdimmensional guests about his new invention, The Universe Portal Machine. As he says it allows people to travel to other worlds. But Prof. Calamitous has been spying on him, and has stolen his idea and created his own portal machine. With it, he brought Plankton, Vlad Plasmius, and Denzel Crocker to his dimmension. They formed a Syndicate and proceedto steal energy from all the worlds. Since the heroes don't know where Calamitous's lair is, they started to save their world first.
Sheldon J. Plankton
Professor Finbarr Calamitous
- In all four games, Spongebob, Danny, Jimmy are the only 3 to appear in all four games.
- Out of the three above, Spongebob and Danny are the only two to appear in all four games and be playable.