Warring factions (including the Blackwood team and the Morthren) fight over a med cell that could save countless lives–including that of a dying Mana.

In 1953, aliens invaded Earth, but were stopped when they fell to the planet’s bacteria – except one. Now this rebellious rogue alien uses Blackwood’s meeting with the United Nations…

Sam and Dean investigate an abandoned sanitarium and discover that when the hospital was open, the patients held a revolt against the cruel and unusual punishments inflicted by the head…