Which classic film noir features a detective known for his cynical narration and fedora, investigating a mysterious woman named "the dame"?

What 1999 sci-fi film, known for its groundbreaking visual effects, features a protagonist who discovers the true nature of his reality?

Which classic science fiction film, released in 1968, famously featured a groundbreaking scene where a space station's HAL 9000 computer malfunctions while controlling the ship's life support?