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The Catalyst was the fourth and final story of the second series in The Companion Chronicles audio range. It was produced by Big Finish Productions. It was written by Nigel Fairs and featured Leela.

Publisher's summary Edit

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?

Plot Edit

to be added

Cast Edit

References Edit

Notes Edit

The Catalyst clean

Textless cover art

Continuity Edit

External links Edit

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