Supernatural, Season 12, Episode 21 (There’s Something About Mary)
Protagonists: Sam, Dean, Eileen, Crowley, Mary
Supernatural, Season 12, Episode 22 (Who We Are)
Protagonists: Sam, Dean, Mary, Jody, Alex
Supernatural, Season 12, Episode 23 (All Along the Watchtower)
Protagonists: Sam, Dean, Castiel, Kelly, Jack, Crowley, Rowena, Alternate Bobby, Mary