Mission Galactica: The Cylon Attack (1979) is a Horror, Science Fiction film that follows a compilation of Battlestar Galactica episodes 10–12 and 21, with alternate footage. Running low on fuel, the Battlestar Galactica receives the help of the supposedly lost Battlestar Pegasus which is taking the offensive with the Cylons. Mission Galactica: The Cylon Attack is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 7.1 out of 10 from 67 votes. Fans of horror movies may also want to explore similar titles below.