A complete North American electrical grid failure leads to months of blackouts.

The fourth episode of The Peripheral , titled serves as the season's crucial turning point, finally explaining the apocalyptic event that devastated the world between 2032 and 2099. The "Jackpot" Explained

In a standout sequence, Ash and Wilf take Flynne to a cemetery-like museum where they reveal the timeline of "The Jackpot"—a 40-year multi-stage apocalypse that wiped out seven billion people.