Doctor Who: ‘The Power of Three’ teaser – Invasion of the Very Small CubesHome2012September by Debs Hunt debs@insidemediatrack.com 21/09/2012 0 1 min 12 yrs Watch a teaser clip from the upcoming fourth episode of Doctor Who series 7: The Power of Three, where the gang are perplexed by sudden appearing cubes… The episode airs on BBC One on Saturday 22 September at 7.30pm. Share thisClick to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Like this:Like Loading... Related TV Videos More stories Post navigation Previous postNext post