what are the characters of this movie?
Plankton, Mr.Krabs, SpongeBob and Patrick.
The SpongeBob SquarePants Movie
, Plankton devises a plan to discredit his business nemesis Mr. Krabs, steal the Krabby Patty secret formula and take over the world by stealing King Neptune's crown and framing Mr. Krabs for the crime. SpongeBob and Patrick team up to retrieve the crown from Shell City to save Mr. Krabs from Neptune's wrath and the oceanic world from Plankton's rule.

where do spongebob and patrick go in the movie Shell City.
wiki:6532303
The SpongeBob SquarePants Movie [SEP] Introduction
The film was widely promoted by Paramount and Nickelodeon, with tie-in promotions made by 7-Eleven, the Cayman Islands, and Burger King, which decorated various of its franchises with SpongeBob inflatable figures. The film had its yellow-carpet premiere at the Grauman's Chinese Theater in Hollywood, California on November 14, 2004 and it was released in the United States on November 19, 2004. It grossing $140 million worldwide, and received generally positive reviews from critics. It was followed by two sequels: "" (2015) and "" (2020).