The best episode written by Glen McCoy is "Timelash (1)", rated 3.2/10 from 5 user votes. It was "directed by Pennant Roberts". "Timelash (1)" aired on 3/9/1985 and is rated 0.2 point(s) higher than their second highest rated, "Timelash (2)".
The planet Karfel, in the distant future. The tyrannical Borad rules with an iron fist, and any who oppose him are cast into the Timelash - a space-time tunnel leading to the past of an alien world called Earth...
Director: Pennant Roberts
Writer: Glen McCoy
The Borad accepts no opposition and enables Maylin Tekker to expose the rebels and trap Peri with the Morlox. The Doctor tries to avert a war between Karfel and the Bandrils.
Director: Pennant Roberts
Writer: Glen McCoy