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Written by Matt Fitton
Starring Paul McGann Tom Baker
From US $11.21
The Doctor responds to a distress call from his granddaughter, Susan, taking him to the Diamond Array: a huge multidimensional space station. Once there, his instability increases, as the Fourth and Eighth Doctors discover the Array's terrible purpose.
Meanwhile, River Song has made a deadly alliance to try to save her husband. And the truth about the Doctor's degeneration will finally be revealed.
Carole Ann Ford 
Maureen O'Brien 
Michael Maloney 
Starring Geoffrey Beevers Mark Gatiss
From US $62.35
From US $37.40
Starring Sylvester McCoy
From US $11.21
Starring Colin Baker
From US $11.21
