John Peterson wrote the novel "The Secret Hide-Out" as well as this series of children's novels which were adapted into a TV series that aired from 1983-1985?
The Secret Hide-Out The Secret Hide-Out is a children's novel written and illustrated by children's author John Peterson, who also created "The Littles". It was originally published as a hardback title by Four Winds Press in 1965, then became a long-running paperback for Scholastic Press and its book clubs, through the 1970s.
The Trap Door The Trap Door is a British animated television series, originally shown in the United Kingdom in 1984. The plot revolves around the daily lives and the misadventures of a group of monsters living in a castle. Although the emphasis was on humour and the show was marketed as a children's programme, it drew much from horror and dark fantasy. The show has since become a cult favourite and remains one of the most widely recognised family entertainment shows of the 1980s. Digital children's channel Pop started rerunning the show in 2010. Both seasons are currently available on iTunes.