Vila	Michael Keating
Avon	Paul Darrow
Cally	Jan Chappell
Dayna	Josette Simon
Tarrant	Steven Pacey
Zen	Peter Tuddenham
Orac	Peter Tuddenham

Current Average Fan Rating: out of

Rank this Episode: 10- Best 9 8 7 6 5 4 3 2 1- Worst

The Liberator is drawn into a black hole, and the crew find themselves in a domain ruled by the Thaarn, a creature from the legends of Cally's people. On the orders of the Caliph, Avon and Tarrant are set to work solving mathematical problems, while Cally faces the wizened Thaarn.

Synopsis taken from TV ZONE SPECIAL issue 30.

 

 

---

You can find this episode here.