Singing Road, Dad Dancing, DNA Family Tree Bang Goes the Theory : Season 4 Episode 7
BBC One 30m
Aired: April 25th, 2011 @ 7:30 PM EST on BBC One
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.
