The Oceanic Six returns to the island, and now you can follow them on their mysterious adventure by taking home the fifth season of LOST in this five disc set packed with exciting and informative bonus materials. Take a trip behind the scenes with "LOST on Location," watch cast-member Michael Emerson dig for clues in "Building 23 and Beyond," journey across the island with Nestor Carbonell in "An Epic Day with Richard Alpert," get a humorous glimpse at the ongoing effort to keep all the show's timelines flowing smoothly in "Making Up for LOST Time," study a recently unearthed expose questioning the truth of the Dharma Initiative in "Mysteries of the Universe: The Dharma Initiative," laugh at bloopers, watch deleted scenes, and listen to audio commentaries. Exclusive Blu-Ray features include the interactive "LOST University," in which fans can delve deeper into the show's secrets than ever before, and "LOST 100," an in-depth reflection on the first 100 episodes.