The first part of the mini-series was watched by an average of 4.3 million viewers. It was the Sci Fi channel's highest-rated program to air since 2003 and the most watched mini-series premiere since Taken in December 2002. The second part of the mini-series was watched by an equal amount of 4.3 million viewers. The ratings improved slightly from the previous night and this episode became the highest-rated program to air on Sci Fi since the December 2003 finale of the Battlestar Galactica miniseries.
In part 2 (at about an hour into it), the character Meeno (Lou Diamond Phillips) picks up a newspaper and reads one of Howard Thomas's articles. The text of the article is taken directly from a fact sheet prepared by the US Navy and Coast Guard.
According to an interview of executive producer Dean Devlin, there are 800 digital effects shots in the miniseries. They were made by the same Oscar-winning team that was responsible for the special effects in his 1996 movie Independence Day.