Here it is, everybody, The Joker. Don't be deceived by that grin, anyone.... He's one of the most malevolent malefactors we've ever met.

Batman (Adam West)

14 seconds sound clip from Batman (1966) - The Joker Goes to School (S1E15) TV Series.

You can hear this line at 00:11:11 in the Blu-ray version of the movie.

Quote context

[...]

- Sure, he's right. What did I tell you?

- Can you corroborate this odd hypothesis?

- What's the crook's name?

- I can do better than that. I can show you his picture.

- What's your name, son?

- Richard Grayson, sir?

- Thank you, Richard. You darken the room, I'll man the projector.

- Roger.

- Here it is, everybody, The Joker. Don't be deceived by that grin, anyone.... He's one of the most malevolent malefactors we've ever met.

- I'll bet he's a master of makeup too.

- You're right. He is.

- He might be skulking around here in any one of 50 outrageous outfits. For example, here's another one.

- A little closer, kids, I want you to see that phony flower in his button hole. Sometimes it shoots out water. Sometimes powder. Other times, knock-out gas.

- Hey!

- Holy magician!

[...]