The most extreme race on Earth.
'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.
Richard Armitage
Narrator (Voice)
Richard Glover
Glenn
Natasha Pring
Emily
Eric Twight
Lead Sperm
Jaqueline Wingfield
