Supernatural (2005)

S11E19 The Chitters

In a quaint Colorado town, eerie vanishings occur every 27 years. Sam and Dean arrive to delve into the mystery, only to cross paths with two seasoned hunters who harbor a deep-seated grudge against these rare, monstrous creatures. As they join forces, the group uncovers the chilling truth behind the town's dark history and the looming threat that has returned once more.