Eight episodes of the series were twinned to make four feature-length films: Journey Into Darkness (1968) ("The New People" and "Paper Dolls"), Journey to Midnight (1968) ("Poor Butterfly" and "The Indian Spirit Guide"), Journey to the Unknown (1969) ("Matakitas Is Coming" and "The Last Visitor") and Journey to Murder (1971) ("Do Me a Favor - Kill Me!" and "The Killing Bottle").
The Carpenters wrote a song 'Eve' inspired by the show.
Along with a Pan Am commercial the pop hit for the band 10cc 'I'm Mandy Fly Me' was thought to have also been inspired by the episode 'One on an Island'.
Some of the amusement rides shown in the opening credits can be seen in the Peter Sellers film "Wrong arm of the Law."