The Battle of the Labyrinth camp for the school year. On his fifteenth birthday at the summer's end, Percy receives a visit from his father Poseidon, who gives him a sand dollar, admonishing him to “spend it wisely”. Nico later appears to tell Percy his plan to defeat Luke once and for all. "The Battle of the Labyrinth" was initially referred to as "Percy 4" until the title was officially revealed. The novel was teased by Rick Riordan behind the pages of its predecessor, "The Titan's Curse". It was based on the Greek myth of the labyrinth, where the Minotaur was supposedly kept. In his
The Daedalus Variations In an interview with episode writer, Alan McCullough, he described the episode as a "great team show", and a "visual effects spectacular." On March 10, Captain Sobol was cast. Sobol was the alternate commander of the "Daedalus", rather than Colonel Caldwell (Mitch Pileggi). By the time the episode aired, Sobol was female (portrayed by Tracy Waterhouse), she held the rank of Colonel instead, and her name was spelled "Sobel". Much of the episode was filmed on the "Daedalus" set. Due to that, visual effects were required to fill in the external shots. The episode was reportedly one of the most