Icarus the wax in his wings melted he tumbled out of the sky and fell into the sea where he drowned, sparking the idiom ""don't fly too close to the sun"". This tragic theme of failure at the hands of hubris contains similarities to that of Phaëthon. Icarus' father Daedalus, a very talented and remarkable Athenian craftsman, built the Labyrinth for King Minos of Crete near his palace at Knossos to imprison the Minotaur, a half-man, half-bull monster born of his wife and the Cretan bull. Minos imprisoned Daedalus himself in the labyrinth because he gave Minos's daughter, Ariadne, a clew
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.