Singing Road, Dad Dancing, DNA Family Tree - S4.E7
This episode of the series that reveals your world with a bang has a royal wedding theme. Jem builds a singing road as a present for the royal couple. Dr Yan explains the science of dad dancing. And Liz uses DNA to track her family tree right back to the earliest humans.
Singing Road, Dad Dancing, DNA Family Tree - S4.E7
April 25, 2011
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