- Billing Displacement: Ashley Tisdale is a supporting character at best, but she's treated as one of the mains in the promos and credits. This is most likely done to draw in the High School Musical crowd.
- Box Office Bomb: Budget, $45 million. Box office, $25,200,412 (domestic), $57,881,056 (worldwide). This is director John Schultz's penultimate film to get a theatrical release.
- California Doubling: Set in Michigan, but filmed in New Zealand.
- Release Date Change: This was supposed to be released in January but was shelved until July for reasons unknown.
Trivia / Aliens in the Attic