A deep-sea research submarine becomes stranded miles below the ocean surface after a mysterious systems failure. As oxygen runs low and pressure mounts, the crew battles rising panic, hidden tensions, and an unseen force outside the hull.
We rank shows by quality, not popularity. Each genre has its own pool — the best title in each genre scores 100, so a great War film competes against other War films, not blockbusters. A masterpiece in a niche genre can crown its category even if most people haven't heard of it. Learn more →
