[s12e4] Goodbye Fergus -

The brothers encounter the Petersons, a devout religious family living off the grid.

Sam helps Magda realize she isn't evil. However, after she is sent away for her safety, she is assassinated by Mr. Ketch of the British Men of Letters. [S12E4] Goodbye Fergus

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 The brothers encounter the Petersons, a devout religious

The fourth episode of Supernatural Season 12 is actually titled . Ketch of the British Men of Letters

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