Back in February, Matt and Ross Duffer shared an open letter to fans in which they teased Season 4 as both the “most challenging” and “most rewarding” one yet.
“Seven years ago, we planned out the complete story arc for Stranger Things,” the duo said. “At the time, we predicted the story would last four to five seasons. It proved too large to tell in four, but—as you’ll soon see for yourselves—we are now hurtling toward our finale.”
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