Watch Supernatural S08E20 - Online Free Streaming. Great, the spoilers looks so nice: The eighth season of Supernatural, an American paranormal dramatic television series created by Eric Kripke, premiered October 3, 2012, and contains 23 episodes. This is the seventh season to air on the CW television network. It is the first season headed by Jeremy Carver as executive producer and showrunner. It airs on Wednesdays at 9:00 P.M. EST on the CW. Next: 8x20 -- Pac-Man Fever (Apr/24/2013) previewed: Concerned about the physical toll the second trial took on Sam, Dean benches his brother from hunting until he heals up. So, when geektastic hacker Charlie stumbles upon a case and finds the boys, Dean decides it’s time to teach Charlie how to be a hunter-in-training. While happy to see “her highness," the boys suspect Charlie is hiding something; a secret that could get her killed. Watch Supernatural S08E20 - Online Free Streaming above. Enjoy watching and have a great day! DON'T COPY THIS ARTICLES!!! WE DON'T DISTURB YOU AND WE RESPECT YOURS WORK!!!