Early drafts of this episode featured Blake and Jenna in the place of Tarrant and Dayna.
Paul Darrow fell and damaged his ankle, making it necessary for the shooting schedule to be rearranged slightly.
Cally's line about only the natives winning is a reference to The Magnificent Seven (1960) and by extension Seven Samurai (1954).
Orac is onboard the Liberator at the start of this episode. He was last seen on Sarran in Aftermath (1980) and it is not clear at what point he returned to the ship.