SpongeBob square the movie.

The film has been well received from critics and fans, The film opened at number two behind Disney's National Treasure, earning $32,018,216 over the weekend on 4,300 screens at 3,212 theaters and averaging about $9,968 per venue or an average of $7,446 per screen, however the film then dropped a larger than expected 44% over the Thanksgiving weekend, then dropped 57% the next weekend. The opening weekend would end up making up 37.48% of the film's final gross. The film closed on March 24, 2005, having been unsuccessful at out grossing its holiday animated competitors, The Incredible from Disney/Pixar, and The Polar Express from Warner Bros. Pictures. It still made a huge profit for both distributor Paramount Picture and producer Nickelodeon Movies, having earned $85,417,988 in the United States and $140,161,792 worldwide, while being produced on a modest $30 million budget.

 The film's protagonist, as in the TV series, is SpongeBob Square Pants, who goes on a quest with Patrick Star on a quest to save King Neptune's crown and rescue Bikini Bottom from the evil clutches of Plankton. The plot of the film starts with SpongeBob dreaming of being a manager of the Krusty Krab restaurant. SpongeBob wakes up, and happily gets ready for the Krusty  Krab 2 opening ceremony, with the hope that Mr. Krabs will promote him to general manager of the new restaurant. At the opening ceremony, SpongeBob is denied the title, which is instead given to Squidward Tentacles, due to being "more mature" than SpongeBob and thinking that he's "just a kid" and is unable to handle the task. Severely depressed, SpongeBob heads to his favorite restaurant, Goofy Goober. There, he eats numerous sundaes with his friend Patrick Star, and wakes up the next morning with a hangover. Meanwhile, Sheldon J. Plankton, Krabs' business rival, enactes a plot to steal the formula for Krabs' "Krabby Patty" burger; Plankton steals King Neptune's beloved crown and frames Krabs for the crime.

The adventure of SpongeBob and Patrick starts of when promises Neptune to retrieve the crown from Shell City, a hazardous location known to all marine life. SpongeBob must bring the crown back in 6 days (it was originally 10 until Patrick and Neptune argued it down to 6) or Krabs will fry. So he won't run away, Neptune freezes Krabs with his trident. SpongeBob and Patrick then head off for Shell City.