Netflix has given us our first proper look at the climactic episodes of 'Stranger Things', teasing plenty of mystery and death.

Contrary to some initial belief, Dimension X and The Upside Down are not the same place. The Upside Down did not come to be until Eleven accidentally opened a gate and made contact with a demogorgon that Vecna sensed through the hive on Nov. 6, 1983.

Since the awakening of Will's abilities occurred after Vecna returned to the Upside Down, we had to ask Jamie Campbell Bower how his character would react to Will being capable of controlling the hive mind.

"Stranger Things" fans spotted an editing error in an episode of season five where Will (played by Noah Schnapp) and Robin (Maya Hawke) go on a Vecna-related mission with flashlights.

As "Stranger Things" marches toward its conclusion in its fifth and final season, audiences can expect to see the return of one of the series' biggest threats: Vecna. After being introduced in "Stranger Things 4,