The name of the episode he appeared in was called Biting the Hands and it aired on April 11, 1989 at 9:30 pm. This particular episode was produced by BBC Scotland, the director was Carol Wilks, the producer was Norman McCandlish and the episode was written by Rona Munro.
"Linda and Gail are Hell's Belles - an alternative comedy double act. When success begins to beckon, they must decide whether to change their act or keep doing what they believe in. Are their principles justified - or are they just 'biting the hand that feeds them'?"
Linda was played by Judith Sweeney and Gail by Louise Beattie.
Here is the review from The Glasgow Herald - April 15, 1989 by Julie Davidson