In Stranger Things season 2 episode 4 which is titled as the “Will The Wise” it is shown that Will is taken home by Joyce after the incident of the monster invading his body in the last episode. In the other scene of the show, it is seen that Eleven has returned to the cabin and is having a fight with Hopper. Will is shown to confront to Hopper and Joyce that he is connected to the monster. In order to explain it, he starts scribbling which is later mapped by Joyce ad Hopper. A lot of other events take place in this episode which makes the show even more interesting. At the end of the episode, it is shown that Dart is a Demogorgon while Hopper finds a tunnel that is destroyed by the upside down.