Top 10 Doctor Who Storylines That Could Actually Happen

Top 10 Doctor Who Storylines That Could Actually Happen
Science fiction, or just plain science? For this list, we're counting down the most feasible, plausible and possible storylines from the long-running BBC sci-fi series, "Doctor Who". From cybernetics to cryonics - with artificial intelligence and the end of the world up for debate, too - there's no shortage of potential problems to ponder. But which are the most likely to actually transpire, and which are impossible?

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Special thanks to our user WordToTheWes for submitting the idea on our interactive suggestion tool: WatchMojo.com/suggest

#10. The Hum
#9. Ood Telepathy
#8. Cybernetics
#7. Anti-Aging
#6. The Slow Invasion
#5. Cryonics
#4. Swarm Intelligence
#3, #2, #1: ???