The fourth season of , which aired in early 2008, is widely considered one of the series' strongest entries despite being the shortest at 14 episodes due to the 2007–2008 Writers Guild of America strike . It is best known for introducing the flashforward narrative structure and the "Oceanic Six" mystery. Top Episodes of Season 4
: Provides a breakdown of where the show is streaming, including options for Hulu or purchase on Amazon/Apple TV. index of lost season 4 top