It is notable for acting as a crossover story, albeit a slight one, to Blake's 7, which Boucher script-edited, as the Psychostrategist Carnell (who appeared in the series two episode "Weapon" in 1979) plays a prominent role.
This story is noteworthy for being a crossover with Blake's 7, even if it’s only slight, given that Boucher script-edited it. The Psychostrategist Carnell, who appeared in the series' second episode "Weapon" in 1979, has an important role.