Hopper breaks into the Hawkins laboratory and finds the gate; however he is attacked and wakes up home. He searches his home and finds a bug hidden in a light. Jonathan teams up with Nancy to investigate Barb´s disappearance and blows up his photo. They find the monster and decide to search the creature. Lonnie comes to Joyce´s home apparently for Will´s funeral but she finds he wants to sue the quarry to make money and she expels him. Mike, Dustin and Lucas ask Mr. Clake how to cross dimensions and decide to seek out the gate and Will following their compasses. However El interferes with the compasses. When they discover, El flees. Nancy finds a gate and crosses alone.
"Chapter Five: The Flea and the Acrobat" shows three groups investigating the same event: the boys, Hopper and Jonathan and Nancy. Joyce learns that she is not crazy about Will. El is scared with the possibility of returning to the lab. My vote is nine.
Title (Brazil): "Chapter Five: The Flea and the Acrobat"