Part 3/7:
Meanwhile, the nefarious Plankton is jealous of Mr. Krabs’ success and plots to steal the Krabby Patty formula once again. In a convenient twist, Plankton steals King Neptune's crown during a royal mishap. When Neptune visits the Krusty Krab the next day, he accuses Mr. Krabs of the theft, leading to a dramatic confrontation that risks Krabs' life.
SpongeBob, desperate to save Mr. Krabs and prove himself, offers to retrieve the crown from Shell City, a deadly place from which no soul has returned. Despite Neptune's lack of faith in SpongeBob, Princess Mindy persuades her father to give SpongeBob six days to bring back the crown, leaving Mr. Krabs frozen as a means of ensuring their success.