Weekend at Bobby's
Plot: Bobby summons Crowley and finds that the demon has no intention of returning his soul and has given ten additional years of life for him. Meanwhile, Dean and Sam ask Bobby to advise which demon is killing people in Wisconsin, and after a long research, Bobby informs that is a Lamia. Then Rufus knocks on Bobby's door with the corpse of a demon Okami to bury it. However the demon is still alive and Bobby has to seek it out and vanquish the demon. Dean and Sam travel to Scotland and help Bobby to get his soul back.
Watch Online Stream for Free Full Episode TV Show Supernatural S06E04