Denis Forest - who played the UFO cult leader - died suddenly of a massive stroke eight days after this episode aired.
Robert Patrick later joked about the plot: "The baby's the Messiah. I don't understand any of it. I'm Episcopalian. I don't get." (This view seemed to be shared with a lot of the show's viewers, too.)
This is the second time that John Doggett has ended up in a coma in hospital this season, having previously been put on a support machine in 4-D (2001).
Over 100 lamps were positioned around the alien craft to give it an other-worldly glow.
Chris Carter filled in as director when no one else was available. Prior to the second feature film and subsequent relaunch of the series, this marks his penultimate stint as director on the show's original run. (Improbable (2002) would be his last.)