While investigating a vanishing Concorde at Heathrow Airport, the Doctor and his companions are thrown millions of years back in time, when a mysterious alien called Kalid is trying to control the ancient powers of the Xeraphin.
Release Date: March 30, 1982
February 17, 1989
July 19, 1991
February 16, 1962
May 31, 2004
July 03, 1991
July 02, 2003
March 17, 1993
October 08, 2018
November 18, 2022
May 02, 1997
June 08, 1999
July 26, 2002
July 25, 2001
February 07, 1968
March 03, 1999
January 17, 2004
June 16, 2006
January 28, 2015
July 03, 1985
November 23, 2023