The Great Sperm Race

The Great Sperm Race tells the story of human conception as it's never been told before. With 250 million competitors, it is the most extreme race on earth and there can only be one winner.

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Episode Guide

  • Series 1 Episode 1

    The Great Sperm Race sperm2_brand

    It's the most extreme race on earth - a contest with 250 million competitors, only one…

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