Dana Scully was a character from The X-Files and partner of Fox Mulder.
Among a long list of actions the Xlanthi considered to be a violation of the law and punishable by a brutal death was "fancying Scully out of The X-Files." (PROSE: Beige Planet Mars)
Sarah Jane Smith once asked Mike Yates, who had invited her to investigate a haunted house, why he didn't call "Fox and Dana" instead. (PROSE: Housewarming)
PC Andy Davidson sarcastically referred to Jack Harkness and Gwen Cooper as "Mulder and Scully." (TV: End of Days)
When Ocean Waters and Melvin Minton were looking for aliens in 2010, Clyde Langer called them "Mulder and Scully." (TV: The Vault of Secrets)
Panda called the Forge a group of "cut price Mulder and Scullys". (PROSE: Project: Wildthyme)