Alligator

You don't need another "hidden gem sci-fi" list — Alligator in Australia on Shudder, and in the US on Amazon Prime Video and fuboTV is simply a strong one. It says what it needs to say in one sitting, no filler. With 398 viewer ratings on TMDB, this is not a title flying under the radar. Robert Forster anchors it with a performance that grounds the bigger ideas in something human. Start it on Shudder whenever you need something guaranteed to land.

Whatever else is competing for your attention this week, Alligator is worth clearing space for. The world-building is meticulous, but it is the characters who carry Alligator through its more ambitious moments. A baby alligator is flushed down a toilet and survives by eating discarded lab animals that have been injected with growth hormones. The now gigantic animal escapes the city sewers and goes on a rampage, pursued by a cop and a big-game hunter. Robert Forster and Robin Riker lead a cast that keeps the bigger ideas grounded in something human. Alligator came out in 1980. The rules of Alligator's world are consistent enough that the big swings never feel like cheating. It knows exactly what it is, and does not try to be anything else.

Viewers burned by ambitious sci-fi that could not sustain its premise should give Alligator a chance. It stands on its own even without an obvious comparison point. The complete film is available and best experienced without too much prior knowledge of where it goes. Robert Forster's performance is the anchor the more ambitious moments need. The world-building pays off in ways you will not anticipate on a first watch.

Alligator was released in 1980, directed by Lewis Teague. The full 91-minute film is available to watch now. Find exactly where it's streaming below, and TV Butler Pro makes it effortless to track your progress as you go. Just search the name, and Butler finds it instantly, tells you which service has it, and remembers exactly where you left off.