On the surface, an institution of mortar and stone steel bars and rigid discipline.

8 seconds sound clip from Batman (1966) - The Joker Is Wild (S1E5) TV Series.

You can hear this line at 00:00:16 in the Blu-ray version of the movie.

Quote context

[...]

- Her manner did seem a trifle odd. The lingering effects of that criminals gas, perhaps?

- No, Mr. Wayne. It's more tragic than that. Much more tragic.

- She only glimpsed him for a moment. And she's hopelessly in love with him. Her unknown savior... Batman.

- Gotham State Penitentiary.

- One of the states busier locations.

- On the surface, an institution of mortar and stone steel bars and rigid discipline.

- But, as we have seen before, Warden Crichton's advanced theories of penology make it a place where recreation is part of reform.

- And entertainment plays an important role in con-tainment.

- Swing! Strike two!

- Alright, Joker baby, fire it at me, baby. Fire it at me. Swing!

[...]