The Catalyst
Story Number: 8 (BF)No of Episodes: 1
Big Finish Release (United Kingdom):
First Broadcast: Thursday 31st January 2008
Running Time: 1 hour
The pride of the Z'nai matches that of Leela of the Sevateem. Why would the Doctor imprison one in such an unlikely place, and what terrors will be brought about by letting it loose?
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