- Creator's Favourite Episode: Jacqueline Hill named this as her favourite story.
- Dyeing for Your Art: Verity Lambert required Walter Randall to shave his face to play Tonila.
- Stunt Double: Martial arts expert David Anderson doubled for William Russell during Ian's fight with Ixta in the final episode.
- You Look Familiar: David Anderson, who played the Captain of the Guard, had previously appeared in "Marco Polo".
Trivia / Doctor Who S1 E6 "The Aztecs"