We've all thought about this fantasy: the world is left in ruins, and you're only one of a handful of people to survive. The biggest goal is to find someone to repopulate the Earth - but who?

The guests on next week's 'Running Man' found themselves in that exact predicament, but were soon disappointed to learn that the surviving women were none other than the show cast members themselves!

However, they don't have much choice - and the race begins to figure out who will be ending up with whom!

Check out the preview below.

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