Onion Mastori: The Movie/Trivia

Cultural references

 * On one the TV screens in the cafe scene, there is a television program called "Southern Street", which is a reference of both Sesame Street and South Park.
 * When the Onion Mastori and his brothers are inside the video store, if you look closely, you can see DVD copies of The Gabriel Garza Movie, another film by Universal.
 * "Kanpai" means "Cheers" in Japanese, which it's written "かんぱい" in Japanese.

Cameos

 * In Onion's room, a poster of Me & Mobo can be seen.

Trivia

 * This is the second Universal animated film to be produced in a 2.35:1 aspect ratio, after Magina
 * The film was originally going to be 150 minutes, but it was shortened to 92 minutes due to script issues.
 * The film originally marked the finale of the series, but due to it's success at the box office, Universal ordered more episodes of the series, similar to Zina and the Vivid Crew, also from Universal.
 * This marks the first Universal animated film to be based on a non-Gingo animated series since Jetsons: The Movie in 1990 (not counting the English dub of Cardcaptor Sakura: The Movie).