Stream ItEpisode 3
Brian Cox and Dara O Briain raise the stakes in the final night of their astronomy extravaganza, and reveal the results of their viewers' challenge to find undiscovered galaxies at the edge of space.
Aired: Jan 09, 2014 Genre: DocumentaryCasts: Brian Cox Liz Bonnin Dara Ó BriainDuration: 1h Rating: 0 Country: United Kingdom Production: BBC
