Pyramids of Mars DVD

When the TARDIS is infiltrated by a mysterious force, the Doctor and Sarah Jane are drawn off course and arrive in England at the turn of the 20th Century. Dark forces from aeons ago are beginning to stir, and the whole future of life on Earth is at stake. Sutekh, last of the Osirians, is breaking free from his ancient prison, and no power in the universe can stand in his way...