(formerly Vudu): Available for digital purchase. Episode Guide: " Across the Sea " "Lost" Across the Sea (TV Episode 2010) - IMDb
You can watch the full episode with a subscription on the following services: : Available as part of the full series library. Hulu : Offers all six seasons for subscribers. Watch Lost S06E15
: Availability varies by region, but it remains a primary host for the series in many markets. Where to Rent or Buy (formerly Vudu): Available for digital purchase
To watch Lost Season 6, Episode 15 , titled " Across the Sea " , you can find it on several major streaming platforms as of April 2026. This episode is widely considered the most significant mythological chapter of the final season, delving into the ancient origins of the Island's primary figures. Where to Stream Online : Availability varies by region, but it remains
: Buy individual episodes or the complete Season 6.