Andrew Prowse jokingly describes the trilogy as "a pretty ambitious little episode," and says that Crichton's scene in the Jakench cockpit is one of his favorites from the show.
The mention of a 1962 T'Bird was inserted by Ben Browder and actually refers to a college friend of his who owned one of the classic cars.
The original edit of the two-parter would have had to remove the wedding sequence in order to run to time.
The original plan was for Dave Elsey, Creative Supervisor for Jim Henson's Creature Shop, to play ro-NA himself, but the demands of his work meant that he couldn't be in two places at once.
When Jonathan Hardy saw the costume that Terry Ryan had created for Kahaynu, he decided the character should have a Welsh accent.
The concept that the Builders were creatures formed from steam was originally going to be used for the Peacekeepers, who would have been known as "Steamtroopers," made from animated steam.
Tony Tilse felt that the creation of Kahaynu's face was homage to the way the Mummy's face appears from the sand in the first of the Brendan Fraser Mummy movies.
Francesca Buller's inspiration for ro-NA's voice came from an old BBC LP that she had of the Beatrix Potter story The Tale of Mrs. Tiggy-Winkle, about a maternal hedgehog.