Goof: This episode seems to step out of pace since the gang begins to search for a missing Velma before she actually disappears down the trap door.
Goof: When Fred and Daphne are out in the desert searching for Velma, they complain about the heat, even though it's night. Deserts are usually chilly in the night. But when they see a vulture flying overhead, the background is a day sky.
Olan Soule, who voiced Batman and the Joker in the two Batman & Robin episodes, voiced Moe Howard in the Three Stooges stories.
This was the first spinoff series after the original Scooby-Doo, Where Are You? which ran for two seasons (25 episodes total) from 1969 to 1970.
Beginning a long line of breakdowns, The Mystery Machine broke down for the first time in this series during this episode. In the first scene of nearly every Scooby Doo Movies, The Mystery Machine suffers some sort of freak accident that keeps it off the road for a while.