- What an odd parting remark.
- Yeah, why does he want us to remember he was here?

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

You can hear this line at 00:13:12 in the Blu-ray version of the movie.

Quote context

[...]

- In Gotham City, the crime of loitering requires the loiterer to remain in the same spot for over two minutes.

- You.... You jailhouse lawyer!

- A tricky trickster! He's outwittin' us.

- Oh, dear me! The court jester must run. Jest in time.

- Well, goodbye, kiddies. And remember I was here, eh!

- What an odd parting remark.

- Yeah, why does he want us to remember he was here?

- From the lips of a crook, it can mean only one thing...

- Establishing an alibi.

- Right.

- Gee whiz! Alibi for what?

- The Bat-phone signal. Batman! Hey, Batman! It's your Bat-phone The Bat-phone, Batman

- What now, commissioner?

- Another strike. A cocktail lounge. A gimmick jukebox. It must be The Joker.

[...]