13 mars 2023 · All four seasons of Battelstar Galactica are streaming on Peacock alongside the two-part miniseries and Battlestar Galactica: The Plan. Looking for even more sci-fi content? Check out shows like SYFY's The Ark, Resident Alien, Brave New World, Project Blue Book, Eureka, Heroes, Intergalactic, and more streaming now on Peacock . Picking up where last season's cliffhanger finale left off, the Galactica crew discovers a habitable planet, but things become even further complicated when the Cylons, led by Caprica Six (Tricia Helfer) and Sharon (Grace Park), find the planet and offer humanity a stunning proposal of peace.