Stranger Things star David Harbour has said season four is his favourite to date.The actor, who plays Hopper in the Netflix show, opened up about the forthcoming new episodes and the development of his character who was last seen being held as a prisoner in Russia.“[The show’s creators, The Duffer Brothers are] very responsive to the fan response, [but also] a step ahead with the script,” Harbour told People.“[You will] see a lot of your favourite characters doing the thing that you love them