Riverdale

Riverdale is a 2017 - present American drama series that airs on the CW television network. Based on the long-running Archie Comics series and characters, the series places Archie (KJ Apa), Jughead (Cole Sprouse), Betty (Lili Reinhart), and Veronica (Camila Mendes) in a Riverdale that holds many dark and deadly secrets beneath its charming small-town facade.

Chapter Fifty-Six: The Dark Secret of Harvest House (Season 3, Episode 21)
Betty is hypnotized by Edgar (Chad Michael Murray), the leader of The Farm cult, into believing that she has a dark, murderous side to her personality. Later, using candle wax to plug her ears, she pretends to be hypnotized and realizes that Edgar is using hypnosis to create mental anguish in his followers, pain which he then convinces them can be removed physically from their bodies- Edgar is actually using them to harvest their organs.

Chapter Sixty-Six: Tangerine (Season 4, Episode 9)
When Betty's sister Polly (Tiera Skovbye) and mother Alice (Madchen Amick) fall into psychotic trances after receiving mysterious phone calls, she investigates and discovers that Farm cult leader Edgar gave all of his followers a post-hypnotic suggestion that is triggered when they hear the word "Tangerine" spoken three times in a row. Betty and Charles (Wyatt Nash) experiment with the trigger to see if it affects her. She seems to be free of its influence, but in a flash forward, Archie finds a bloody Betty standing over the lifeless body of Jughead.