11. The Sauna Test – Season 3, Episode 4

Another episode with a rating of 8.9, this one follows Bill as he is fully under the control of the Mindflayer and is killing people. Meanwhile, Lucas, Eleven, Max, and Mike, try to extinguish the Mindflayer in a swimming pool by using intense heat. However, Billy escapes and reveals the true strength of the Mindflayer.
Edited by Nimisha