Billy’s death in Stranger Things Season 3 was one of the show’s most emotional turning points—but what if he had survived?

Why did Dacre Montgomery, aka Billy Hargrove, leave Hollywood after "Stranger Things"? The actor, who now stars in "Dead Man's Wire," told Yahoo: "I felt like I needed to step away to protect myself." ...

Some caught us off guard, others made us feel every second of pain alongside the characters, but each one changed something or someone in a meaningful way. Here are the 5 most impactful deaths in ...