Labyrinth the palace had been the Labyrinth of Daedalus. Evans found various bull motifs, including an image of a man leaping over the horns of a bull, as well as depictions of a labrys carved into the walls. On the strength of a passage in the "Iliad", it has been suggested that the palace was the site of a dancing-ground made for Ariadne by the craftsman Daedalus, where young men and women, of the age of those sent to Crete as prey for the Minotaur, would dance together. By extension, in popular legend the palace is associated with the myth of
The Daedalus Variations original concept of an episode involving alternate realities was a room in Atlantis that shifts into alternate realities. However, the idea had several issues, including the possibility of no Atlantis in one reality, so Robert C. Cooper suggested using the "Daedalus". The final draft of "The Daedalus Variations" was completed on February 11. On February 12, the prosthetics meeting for the episode, as well as "The Seed", "Broken Ties" and "Whispers" took place, which most likely involved the unknown aliens featured from the episode. The appearance of the aliens was revealed in the advertisement for the episode on July 27.