Superman and Supergirl take on the cybernetic being known as Brainiac, who boasts that he possesses "the knowledge and strength of 10,000 worlds."
Not streaming on a subscription service in the US right now.
Starring Matt Bomer, John Noble, Stana Katic, Molly C. Quinn, Diedrich Bader, Jason Beghe, Frances Conroy, Melissa Disney, Alexander Gould, Sirena Irwin