A proper movie marathon deserves films with real weight and staying power, these are the ones built to be watched back to back. Science fiction that uses its premise to ask real questions about humanity, technology, and what comes next. All from the 2020s, proving that great cinema is still being made right now. Bring tissues. These don't hold back, and that's exactly why they stay with you.
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Every sci-fi film on this list was chosen for tonight because it actually delivers. no safe picks, no obligation watches - just films that are worth watching. If one doesn't land, the next one will. Bookmark this and come back whenever the mood calls for it.
Good sci-fi stays with you. These will. Marathon picks need to sustain momentum across hours. Each of these pulls its weight. These are from the 2020s, which means a few are still being properly appreciated. Moviepiq has more lists broken down by genre, occasion, and mood.