Stranger Things season 5 will bring back a character briefly seen in season 1, and this points to the shows final season solving a huge Hopper (David Harbour) mystery. After four successful seasons with many twists and shocking reveals, Stranger Things is ending with its fifth season, and there are still many mysteries to solve. Plot details about Stranger Things season 5 are still unknown, but its expected to solve the remaining mysteries of the Upside Down, Vecna (Jamie Campbell Bower), Hawkins Lab, and those of some characters, such as Hopper.
