When King Neptune's crown is stolen, Mr. Krabs is held accountable for the crime! So it's up to SpongeBob and his trusty sidekick, Patrick, to make the dangerous trip to Shell City to retrieve the crown and save Mr. Krabs's life. Meanwhile, the evil Plankton has set his plan into motion: to steal the secret Krabby Patty formula and rule the sea! Will SpongeBob and Patrick be able to save the crown and make it back in time to save the fate of Bikini Bottom?