Seems to be the cheapest that I have seen this. Not sure if there are any discount codes going about right now but maybe someone has something.
The epic story of Lost twists, turns and time-shifts in its outstanding fifth season. Packed with bonus material, including a revealing interview with the cast and an exclusive behind-the-scenes feature, Lost is better than ever on DVD. When destiny calls, the Oceanic 6 find their way back to the island. Discover what forced them to return, and find out the fate of all those who were left behind. The answers to some of Lost's most pressing questions are revealed in this spectacular 5-disc collection, complete with deleted scenes and an incredible vault of exclusive bonus features.
Lost On Location - Get The Inside Stories From The Cast And Crew
Building 23 & Beyond - Join Michael Emerson As He Infiltrates The Secret Lost Offices To Meet The Team Who Is Behind The Show's Real Mysteries
An Epic Day With Richard Alpert - Follow Nestor Carbonell Across The Island On The Intense Last Day Of The Season's Finale
Making Up For Lost Time - An Interesting And Humourous Look At How The Producers, Writers And Cast Sort Out The Survivors' Leaps Through Time
Mysteries Of The Universe: The DHARMA Initiative - The Recently Unearthed AndComplete Expos?uestioning The Truth Of The DHARMA Initiative