the second season was released as a widescreen seven-disc region 1 dvd box set in the on september 5, 2006 and in united kingdom on october 2, 2006, titled as "lost: the complete second season – the extended experience". each of these releases also contain extras, including behind the scenes footage, deleted scenes, audio commentaries, and a "lost connections" chart, which shows how all of the characters on the island are inter-connected with each other. the season was subsequently released on blu-ray disc on june 16, 2009.