Supernatural (2005)

S1E10 Asylum

In the episode titled "Asylum," Sam and Dean delve into an eerie, deserted sanitarium, uncovering the dark history of patient uprisings against the sadistic practices of the head physician during its operation. As they search for four missing college students within its haunted walls, the tormented spirits unleash their wrath, driving Dean into a frenzied madness that pits him against Sam. The brothers must navigate the chilling atmosphere and confront the vengeful entities to uncover the truth and save the lost students before it's too late.