There's no official word on how long Stranger Things will run, but cast member David Harbour has revealed he already knows how the show will finish.

Speaking exclusively to Digital Spy, Harbour explained that he's unsure how many more seasons the Netflix series will run, but confirmed he knows the ultimate ending.

"I know the end of the story, and I think it's beautiful," said the Hellboy actor.

Netflix

Stranger Things' executive producer Shawn Levy previously confirmed that the show is "definitely going four seasons, and there's very much the possibility of a fifth".

Harbour told us that his preference would be for five seasons, suggesting that four might not be sufficient to wrap up the story of Hopper, Eleven (Millie Bobby Brown) and pals.

"I don't think four is enough," he said. "I think five is maybe enough – if you want my opinion, I would like five."

Harbour will reprise his role of Jim Hopper in the upcoming third season of Stranger Things, set to drop on Netflix on July 4.

Actor Noah Schnapp (Will) has previously teased this season's Big Bad, stating: "It's brutal, it gets bad, it's very big. I feel like every season it kinda gets more like it's taking over Hawkins."



Related: Stranger Things season 3: Why Billy Hargrove could be the show's new Big Bad



Hellboy opens in UK cinemas on April 11 and in the US on April 12.



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