The anime's first season consists of 22 half-hour episodes; while the storyline covers the first two seasons of the live-action series, it also includes original content exploring the Winchesters' childhoods and expanding upon secondary characters. Warner Home Video released the first two episodes on Blu-ray and DVD in Japan on January 12, 2011; episodes 3 through 12 shipped on February 2, and the rest on April 6. Warner Home Video released the Blu-ray and DVD box sets of the anime series on July 26, 2011, in North America.