When mysterious cubes appear all over the Earth, the Doctor moves in with the Ponds to investigate the slow invasion.
This week Keith (@50dw50) is back for the final part of the Chris Chibnall retrospective.
Download this episode (right click and save)
Me and Keith at the Who panel; and Keith meeting Peter Davison and Sarah Sutton at the Carlisle Comic Con:
The video that Keith mentions of Christopher Eccleston helping out with a proposal is here:
You can hear Matt Smith on Desert Island Discs on the BBC Radio iPlayer here.
Beverly Cressman as Kate in Downtime.
Find Keith on Tumblr.
Order The Power of Three on DVD:
Doctor Who – Series 7 Part 1 [DVD + UV Copy]
or blu-ray:
Trap One 