The eighth season of Supernatural, an American dark fantasy television series created by Eric Kripke, premiered October 3, 2012, and concluded on May 15, 2013, airing 23 episodes.
The duo team up with the prophet, Kevin, to complete a series of trials that will allow them to close the gates of Hell for good.
It was announced on April 4, 2012, that showrunner Sera Gamble was leaving the show to work on developing other projects.
Liane Balaban was cast as Amelia, a love interest to Jared Padalecki's character Sam Winchester.
[8] Felicia Day returned as hacker Charlie Bradbury in "LARP and the Real Girl" and "Pac-Man Fever".
[16] Jon Gries returned as Martin Creaser, a hunter and old friend of the Winchesters, in "Citizen Fang", he previously appeared in the fifth season episode "Sam, Interrupted".
[52] Diana Steenbergen of IGN gave the eighth season an 8.5 out of 10 and called it an improvement over the seventh season, writing, "What we got was a solid season-long mythology storyline, some great supporting characters, and of course, a lot of the always reliable backbone of the show – Sam and Dean Winchester."