Broadcast: Sunday 22nd December 2013
2:00am-2:20am GMT < > « »
Disney XD

Featuring: John Leeson, Philippa Coulthard, Keegan Joyce, Robert Moloney, Robyn Moore, Daniel Webber

K-9 is using the STM to try and rectify his memory loss of events prior to his arrival and regeneration. Gryffen and Starkey discover him linked to the machine, which creates a feed-back and K-9 loses all control of his memory and programming. He becomes a danger to everyone and starts his self destruct programme!
Synopsis Source: Doctor Who Guide