joke references to other science fiction  classics. For example, in "Vegas in Space" you can hear Adam Strange  of Alpha Centauri being paged (Adam Strange was the hero of a  popular science fiction comic book of the 1960s). Episode #1.20 "A  Dream of Jennifer" has Captain Christopher Pike being paged. Pike  was the captain of the Starship Enterprise in the unaired pilot of  _"Star Trek" (1966)_ (qv).