Frank Bollinger, originally from the art department is credited as "Alien Supervisor" because he wasn't member of the union, so he wouldn't be allowed to work in that department.
"Animal action was monitored by the American Humane Association. No animals or aliens were harmed in the making of this film."
The opening credits including the title have all the letters break together.
the original Theatrical release of the film featured a THX logo trailer with a robot that fixes the logo. The robot was created by Pixar.