The Treehouse of Horror episode that features a parody of Pennywise is "Treehouse of Horror Presents: Not It."
Details of "Not It"
This particular installment of The Simpsons' annual Halloween special directly parodies Stephen King's iconic horror novel It, which prominently features the terrifying clown Pennywise.
- Episode Title: While commonly referred to as "Not It," its full onscreen title is "Treehouse of Horror Presents: Not It."
- Season and Air Date: This episode was the fifth episode of the 34th season of The Simpsons. It originally aired in the United States on Fox on October 23, 2022.
- The Parody: The episode reimagines the chilling narrative of Derry, Maine, with characters from Springfield taking on the roles of the Losers' Club and the malevolent entity that haunts them, serving as a clear satirical take on Pennywise and the themes of It.
For more information on the episode, you can visit its Wikipedia page.