Kit, Andy, and Steve close out Stranger Things Season 3 with a finale that delivers on every front. In Chapter Eight: The Battle of Starcourt, all roads lead to the mall as the Mind Flayer launches its final assault. Eleven, weakened but determined, joins her friends for a last stand against the creature while Hopper, Joyce, and Murray infiltrate the Russian base beneath Starcourt to shut down the machine that keeps the gate open.