In "High Hopes", the third episode, Owen Crawford examines the photo of an unidentified married couple abducted by aliens. The photo is of real-life couple Betty and Barney Hill, who became famous in the early 1970's when hypnotherapy sessions allegedly revealed that they had been abducted by aliens.
The character 'Allie Keys' was ranked #16 in TV Guide's list of the "25 Greatest Sci-Fi Legends" (1 August 2004 issue).
This is currently the most expensive film ever shot in Richmond, British Columbia, and pumped more money into the Vancouver suburb's economy than any other movie project.
The abduction stories and sightings featured in the mini-series are based upon accounts made from people over the many years of UFO believers.
The WW2 bombing sequence in episode one was created using NewTek's "Lightwave 3D". The image of Germany was actually a spy photo taken from WW2.
'Celine Du Tertre' was originally cast as Allie, but during filming was replaced by Dakota Fanning.
The series takes place from August 1944 to December 2002.
Matt Frewer (Chet Wakeman) appears on screen in six of the series' ten episodes, more than anyone else. Although Dakota Fanning (Allie Keys) narrates all ten episodes, she only appears on screen in the last four.
Steve Burton, who played Chris Fuller in Out of This World, went on to star in the 2002 sci-fi miniseries Taken, which revolved around a young girl whose great-grandfather was an alien. The girl has some powers similar to Evie Garlands, Star in the series, such as the ability to stop time.
This episode takes place from August 1, 1944 to September 13, 1947.
This episode takes place from November 1, 1953 to January 12, 1959.
This episode takes place from October 28 to November 1, 1962.
This episode takes place from April 4 to May 28, 1970.
This episode takes place from June 5, 1970 to November 8, 1980.
This is the first episode of the series in which Owen Crawford (Joel Gretsch) does not appear.
This is the first episode of the mini-series not to feature any of the original first-generation cast.
This episode takes place from November 8, 1980 to November 2, 1996.
This is the first episode of the series in which Marty Erickson (John Hawkes) does not appear.
First appearance in the series of Allie Keyes, played by Dakota Fanning. She has been the narrator up to now but had never appeared.
In this episode, Brian Markinson portrays an unsettled man who takes a group of people hostage at gunpoint. Markinson did the same thing in the Season 5 episode of The X-Files called "Folie a Deux". Indeed, The X-Files is mentioned in the episode during the hostage negotiations.
This is the first episode in which Jesse Keys does not appear.