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The Master enlists the help of Krasis to control Kronos while Yates tries to bring the TARDIS to the institute only to come under attack from dangers from the past.
First Air Date : Nov 23, 1963
Last Air date : Dec 06, 1989
Episode : 694 Episode
Season : 26 Season
Runtime: 48 minutes
Studio: BBC One, BBC Television
Country: United Kingdom
Cast: Sylvester McCoy
