The Blu-ray set includes over of original bonus content. Key features include:

: Features 5.1 uncompressed audio (DTS-HD Master Audio or Dolby Digital depending on the specific region release) in multiple languages, including English, French, and Spanish. SeasonPlay

, a highly-regarded high-definition transfer often considered a benchmark for TV-on-Blu-ray releases. The seven-disc set includes all 25 episodes of the first season, originally released on Blu-ray in the U.S. on June 16, 2009. Technical Specifications Resolution: 1080p High Definition (1.78:1 Aspect Ratio) Video Codec: MPEG-4 AVC (x264)

When Lost premiered in 2004, it was one of the first network dramas shot with a cinematic scope intended for high definition. This Blu-ray release presents the show in pristine using the AVC/MPEG-4 codec (often tagged as x264 in digital preservation circles).

: Select episodes featuring cast and crew.