10 Underrated Hard Sci-Fi Shows You Forgot Existed, From Apple TV's Dark Matter to The CW's The 100

Apple TV's Dark Matter, The CW's The 100, and eight other hard sci-fi series delivered compelling, science-driven storytelling but have faded from mainstream memory. These shows, which often explore complex themes like quantum physics, post-apocalyptic survival, and artificial intelligence, deserve a second look from genre fans. While some were critically acclaimed or had passionate fan bases, they never achieved the lasting cultural footprint of giants like Battlestar Galactica or The Expanse. Their obscurity may stem from streaming platform fragmentation, premature cancellations, or being overshadowed by bigger franchises. Revisiting these near-perfect sci-fi dramas reveals a wealth of intelligent, thought-provoking television that still holds up today. As streaming services continue to mine back catalogs, these forgotten gems could find new life with audiences hungry for substantive science fiction.