[s15e16] Break - Free

The episode features several notable references to Stephen King's "It" :

: The protagonists are called back to their childhood haunts by someone they knew as kids to finish a job they thought they completed. [S15E16] Break Free

: The monster resurfaces after 27 years, mirroring the cycle of Pennywise. The episode features several notable references to Stephen

In Supernatural S15E16, " Drag Me Away (From You) ", Sam and Dean Winchester investigate the murder of a childhood friend, which forces them to return to a motel from their past to solve a case they believed was settled years ago. [S15E16] Break Free

: The monster traps its victims in a nightmarish nest to feed on them over time. Drag Me Away (From You) | Supernatural Wiki | Fandom