The Ultimate Viewer's Guide: Supernatural (Seasons 1–12)

The "Ghoul-Pocalypse" Era (2005–2017)

Saving People, Hunting Things: The Epic Legacy of Supernatural (2005–2020)

First: There is no Season 112 of Supernatural.
The show ran for 15 seasons (2005–2020), not 112. The number “112” in your search likely refers to the total episode count up to a certain point, or a mislabeled file pack from piracy sites.

Roadhouse & The Colt: The brothers meet allies like Bobby Singer and learn of "The Colt," a legendary gun capable of killing anything.

The Complete Supernatural Experience (2005-2017)

If you want the actual complete narrative arc that fits the 2005-2017 timeframe, you are looking for Seasons 1 through 12. Here is what that journey looks like:

Season 1 & 2: We follow Sam (Jared Padalecki) and Dean (Jensen Ackles) as they hunt the "Yellow-Eyed Demon" who killed their mother. These seasons are famous for their "monster of the week" format, featuring urban legends like Bloody Mary and the Hookman.

The Winchester brothers' "family business" defines over a decade of television