Matt Duffer

"Stranger Things" is coming to an end, and creator Matt Duffer is feeling the heat ... saying he's absolutely feeling some extra pressure to deliver a finale fans can embrace. We got the "Stranger Things" writer and director at LAX, and our photog asked him how he's feeling leading up to next…

There's been plenty of buzz about claims of on-set beef between "Stranger Things" castmates Millie Bobby Brown and David Harbour ... but the show's higher-ups say they were focused on running a tight ship while filming the show's upcoming fifth season. FYI ... Millie allegedly filed a bullying and…