TV Series | TV-PG | | Comedy, Family, Fantasy
A family of friendly monsters have misadventures, never quite understanding why people react to them so strangely.
During the filming of the second season, Fred Gwynne and Al Lewis were unhappy about the direction the show had taken. They wanted a more subtle kind of comedy to be added into the scripts.
Grandpa, if you want the ketchup, just say "Please pass the ketchup", not "Shoot me the plasma!"
Throughout the series, in most scenes featuring flying bats or levitating people, the wires are visible.
The episode titles are shown on screen following the opening credits sequence. Even in modern sitcoms, this is rare.