The original shooting model, restored for a display at Universal Studios several years after "Galactica 1980" wrapped production, went missing when the display was removed. The model, which Universal views as stolen property, has yet to be recovered.
In the elevators on Carillon, the floor indicator buttons use the Mayan numbering system (a dot for ones, a bar for fives).
Count Baltar, played by John Colicos, was beheaded in the Imperious Leader's chamber in the original film, but this was viewed as unsatisfactory by test audiences, and for the three-part series premiere some new dialog by Patrick Macnee as Imperious Leader was recorded around re-edited footage to make this out that the Cylons order Baltar removed for public execution, only to spare him outright in a new epilogue personally directed by Glen A. Larson as a new Imperious Leader assigns Baltar to lead Cylon forces.
The original premiere was interrupted for over one hour during the signing of the Israel/Egypt peace accord by Israeli president Menachem Begin and Egyptian leader Anwar Sadat, overseen by President Jimmy Carter.
The most expensive television series up to that time. The three million dollar three hour premiere was released overseas in Sensurround.