Summary: The Doctor is called in by UNIT to investigate when a number of scientists go missing from a top security institute. Following the kidnappings back in time to the Middle Ages, he is unaware that investigative journalist Sarah Jane Smith has stowed aboard the TARDIS. As events unfold, the Doctor discovers a sinister alien, intent on altering the future of mankind.

Format: moving image

Publisher / Publication Date: BBC Video 2008

Copies Available at Woodmere

1 available in British Television Series DVDs, Call number: DVD BRITISH TV DOC