Trivia: When Skroob's ship arrives at Planet Druidia, Colonel Sandurz says the ship is preparing for metamorphosis to which Lord Helmet says "Ready, Kafka?" Franz Kafka wrote the book "The Metamorphosis."
Trivia: Mel Brooks allegedly waited so long to create his spoof of Star Wars as he wanted to spoof the entire trilogy.
Trivia: President Skroob's name is an anagram of Mel Brooks' last name.
Trivia: King Roland tells Lone Starr and Barf that Vespa's vehicle was near the Jupiter II system. Jupiter II was the name of the spaceship from the TV series "Lost in Space."
Trivia: When the commander is searching for "Spaceballs" in Mr. Rental, all of the movies shown are Mel Brooks' previous films.
Trivia: The Millenium Falcon (from Star Wars, one of the movies spoofed) can be seen parked outside the space cafe Lone Starr and Barf stop at.
Trivia: When Dark Helmet and Colonel Sandurz are fast-forwarding through the movie, only scenes with Dark Helmet are shown.
Trivia: The scene where Dark Helmet is playing with his "Spaceballs" dolls was improvised by Rick Moranis.
Trivia: John Candy, who plays Barf, operated his own tail.
Trivia: In the merchandising scene, the coloring book is a 1980's Transformers sticker adventures coloring book and the lunch box is a 1980's Transformers lunchbox from Aladdin (the company, not the movie).
Trivia: Mel Brooks asked George Lucas permission to parody "Star Wars" with this film. Lucas was very supportive of the film, and even gave Brooks stock footage from "Star Wars" to use and had Industrial Light and Magic help with the effects. Lucas reportedly loves the finished film.
Trivia: Today, this film has a large devoted fanbase and is generally considered to be one of Mel Brooks' better films; however, when it first came out, it was voted "Worst Movie Of The Year" by the Stinkers Bad Movie Awards.
Trivia: At the beginning, we're introduced to Sergeant Rico. "Johnnie" Rico was the main character in "Starship Troopers", who at one point would have been a sergeant. While the film "Starship Troopers" came out in 1997, the book itself was written in 1959.
Answer: It also might stand to reason that the very fact that Druidia has a shield is what makes it viable. It almost creates a docking port for Mega Maid who was presumably designed for that very purpose. After all, what other purpose could a space maid with a vacuum possibly have?