In the series finale, the Doctor and Jenni investigate a set of ruins only to discover one of the Doctor's most ancient and powerful enemies. Deciding to face them on their home planet, the Doctor and Jenni travel to Damos to find political turmoil and deceit. Can the Doctor stop his ancient enemy again? Will he make the ultimate sacrifice or will he make a decision that will haunt him forever? Thanks so much for watching and making series 1 a success. We'll see you for the xmas special and then onward to series 2!