16x16 The Androids of Tara, Part Four
First Aired: Dec. 16, 1978 on BBC One
Summary: Grendel prepares to marry Romana to Reynart, kill the Prince, then marry Romana himself and take the throne. To stop him, the Doctor and K-9 must infiltrate Grendel's castle, stop the wedding, and give Zadek's men entrance.
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Guest Stars[no credits found]