Collider has published a list recommending eight "hard sci-fi" television shows that reward repeat viewing, citing their intricate plots, scientific grounding and philosophical depth. The list spans decades of television, from classic series such as Battlestar Galactica to more recent streaming successes like Black Mirror, and highlights titles the outlet considers dense enough to reveal new details on rewatch.

– Dark (2017–2020): a German mystery thriller in which a child's disappearance in the town of Winden exposes a multi-generational time travel conspiracy involving wormholes and the "God particle".
– Battlestar Galactica (2003–2007): Ronald D. Moore's acclaimed reimagining follows human survivors searching for a mythical lost colony called Earth, praised for its gritty, character-driven take on the genre.
– The full list includes six further shows, though further detail was not available in the supplied article text.