Red Herring from A Pup Named Scooby-Doo (1988) is seen in the opening of the movie driving a truck called Red Herring's Party Screams.
The classic "my glasses" line normally said by Velma is now spoken by the elderly new reporter.
Mike quotes the line " game over man, game over! " Which is a classic Bill Paxton line from Aliens (1986).
Elvira 2nd time appearing in a Scooby-Doo movie.
During the highway chase, there is a red car chasing the Scooby gang that is similar to the Plymouth in Christine (1983).