The Joker is no joke! Welcome to WatchMojo, and today we’re counting down our picks for the Top 20 most terrifying Joker moments. Beware of dark spoilers ahead. Our countdown includes moments from “Batman: Arkham Knight”, “Joker”, “The New Batman Adventures” and more! Which Joker moment still gives you nightmares? Let us know in the comments below.

Check out these other Batman-centric videos:
Top 20 Best Batman Movies:    • Top 20 Best Batman Movies  
Top 10 Times Batman Outwitted His Opponents:    • Top 10 Times Batman Outwitted His Opp...  
Top 20 Times Batman Went Beast Mode:    • Top 20 Times Batman Went Beast Mode  

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