2.4. The Catalyst

The Catalyst

Released January 2008

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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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Written By: Nigel Fairs
Directed By: Nigel Fairs


Louise Jameson (Leela); Timothy Watson (The Z'nai)