The movie is unfinished due to having no definitive ending.
SpongeBob and Patrick trade Squidward for a meal at a restaurant because of how handsome he is. This is a reference to the unfortunate human trafficking industry and how it takes advantage of people who are willing to trade away family and friends for aid.
Throughout the early parts of the movie because of poor editing the Adobe Premier media missing screen can be seen twice in the movie. It is a theory among some people that while these screens appear SpongeBob and his friends undress completely and until the movie resumes.