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 2000s, a decade that produced some of the most ambitious and original films in recent memory. The kind of endings that reframe everything that came before, you'll want to rewatch immediately.
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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.
Science fiction works best when the ideas outlast the spectacle. Marathon picks need to sustain momentum across hours. Each of these pulls its weight. From the 2000s, which means some of these are overdue a rewatch. Find more curated film lists by genre and mood at Moviepiq.