Dragonsfield is a lost first season episode of the English T.V. series, the Avengers. It is one of seven missing episodes to have no surviving script and, sadly, the only script in existence is the one created by Big Finish.
Synopsis[]
John Steed is called out alone to the Dragonsfield space centre, where preparations are being made to launch a secret observation platform into space. The international team in charge of the facility is working on the spacesuits for the mission but have been hit hard by a saboteur who is strangling their people to death and wrecking their equipment as well. To flush out the saboteur, Steed allows himself to be placed in a chair in the centrifuge, only to discover that the saboteur has programmed it to whirl around at very high speeds. Saunders, the security chief, rescues him and together they track down the men who've been receiving information from the saboteur outside the lab. They identify her as Dr. Susan Summers, in charge of developing the food needed by the astronauts. Rushing back to the lab, they stop her ftom strangling Dr. Lisa Strauss, the scientist who has been developing the suits for the Dragonfield space platform. It turns out that the country she works for had already launched a platform into space and didn't want anyone else. doing so as well.
References[]
The Ultimate Avengers (book by Dave Rogers), page 21 approx.
.The Avengers Dossier (book by Paul Cornell, Martin Day and Dave Topping), pages 42-43
The Avengers A Celebration (book by Marcus Hearn), pages 26-27