After five seasons of survival, melodrama, time travel, and other wild twists and turns, LOST went into its final season with historical anticipation. The penultimate season ended with one of the craziest cliffhangers in long form storytelling, leaving the final season in uncharted territory. The final season of LOST introduces a major new storytelling element, THE FLASH SIDEWAYS, which was just one of many reasons THE ENDING OF LOST is probably the most divisive ending of all time