On the season premiere of Supernatural…

Dean and Sam try to escape the Darkness. Sam winds up blacked out and Dean is found outside the car a mile away.

Dean communicates with the Darkness who tells him they are bound forever.

Sam and Dean discover that the Darkness has infected humans turning them into rabid attackers.

They run into a deputy and head to the hospital to fix her wound.

They discover a man infected by the Darkness but who wants them to watch his baby.

Sam distracts the infected but gets one’s blood into his mouth, infecting him.

Dean manages to escape with the Deputy and the baby.

Castle is captured by angels.

Crowley regains his meet suit and discovers the Darkness is out.

The baby has the Mark of Cain.