Kevin's IQ is revealed in this episode. When Allison opens the KB-201 file, Kevin's IQ is 182
According to the map shown to Jack ('Colin Ferguson') by the meteorologist Pete Puhlman ('Patrick Gilmore'), Eureka is located at Green Peter Lake in southwest Oregon.
November 3rd 1957 was the day Russia launched Sputnik 2 with a dog named Laika on board, the first animal in space. It was a Sunday.
Guest stars Patrick Gilmore (Pete Pullman) and David Nykl (Dr. Steven Whiticus) both appeared as regulars in two different Stargate series'. Gilmore was a regular in Stargate Universe (2009) and Nykl in Stargate: Atlantis (2004).
Beverly's pistol is a Colt Mustang in .380 ACP, and it was manufactured in 1995.