Peri and the Piscon Paradox

Peri and the Piscon Paradox
Big Finish Productions audio drama
Series	'Doctor Who'
Release no.	39
Featuring	Peri Brown
Written by	Nev Fountain
Directed by	John Ainsworth
Production code	BFPDWCC38
Length	120 minutes
Release date	January 2011

Peri and the Piscon Paradox is a Big Finish Productions audiobook based on the long-running British science fiction television series Doctor Who.

The Companion Chronicles "talking books" are each narrated by one of the Doctor's companions and feature a second, guest-star voice along with music and sound effects. This and all subsequent January Companion Chronicle releases span two discs.

The Fifth Doctor and Peri Brown journey to Los Angeles 2009 to do battle with a Piscon. His name is Zarl, and he's a fish of utmost evil.

...
Wikipedia