One of the reporters resembles Josie from the band The Pussycats, characters to whom Hanna-Barbera lost the rights in the 1970s.
After the Warners Bros logo is shown, the movie begins without any credits or title sequence whatsoever.
Scooby-Doo holds up a sign that says "Ruh-oh!" paraphrasing Wile E. Coyote.