"5.0"^^ . "4"^^ . . . "Doctor Who and the Keeper of Traken"@en . . . . "114"^^ . . . . . "--01-31"^^ . . . . . . "Fourth Doctor"@en . . . . . "The Keeper of Traken"@en . "Logopolis"@en . "4"^^ . . . . . . . . "In this story, the Master assimilated a new body to replace the one that was withering, and thus changed physical appearance without the aid of regeneration. Anthony Ainley would now portray the Master until the end of the classic series with his substitute body."@en . . "In this story, the Master assimilated a new body to replace the one that was withering, and thus changed physical appearance without the aid of regeneration. Anthony Ainley would now portray the Master until the end of the classic series with his substitute body."@en . . . "A Question of Logic - Doctor Who - The Keeper of Traken - BBC"@en . . "Warriors' Gate"@en . . . "A New Body for the Master - The Keeper of Traken - Doctor Who - BBC"@en . . . "The Keeper of Traken (TV story)"@en . .