...to find out if he's still on Stranger Things

https://news.avclub.com/david-harbour-and-seth-meyers-live-call-the-duffer-brot-1838867959

“Why are you calling us?,” asked one flustered Duffer. “Am I dead?” Harbour shot back in response. “I mean, we’re still figuring it out, David," said the Duffer Brother. ALSO: Harbour initially thought Stranger Things was "the worst title I've ever heard." (https://mashable.com/video/david-harbour-stranger-things-title/)