See also the Trivia page for the TV series that follows this.
- Blooper: Stitch phases through Nani's pants in one frame.
- Real Song Theme Tune: After the prologue, "Slicin' Sand" by Elvis Presley plays during the opening.
- What Could Have Been:
- Supposedly, according to this film's IMDb trivia page, Jared Fogle (a.k.a. the then-spokesperson for Subway) was considered to voice Experiment 625. In hindsight, Disney dodged a bullet right there.
- This technically also applies to The Series, but early promotional material for Stitch! The Movie showed experiment designs that were never used in the film or the show overall. An old downloadable activity sheet printout◊ had an activity featuring an unknown and unused experiment hiding among other experiments, and this promotional image◊ features an early design of Yang (X-502).