[s12e4] Goodbye Fergus -

In this episode, Sam and Dean investigate a series of mysterious deaths involving in Iowa.

While there is no episode officially titled "Goodbye Fergus," that phrase refers to the character (whose human name was Fergus). If you are looking for a key moment where a character says "Goodbye, Fergus," it occurs later in Season 12, Episode 13, "Family Feud," when his son, Gavin MacLeod, chooses to return to his own time to die, effectively saying a permanent farewell to his father. [S12E04] " American Nightmare " Summary [S12E4] Goodbye Fergus

The brothers encounter the Petersons, a devout religious family living off the grid. In this episode, Sam and Dean investigate a