Father? Could you help an old altar boy? I'm a Catholic.
7 seconds sound clip from the The Exorcist movie soundboard.
You can hear this line at 00:18:14 in the Blu-ray version of the movie.
Quote context
[...]
- Hey, listen, on the party invitations, I wanted to write a personal...
- Regan, don't! Regan, come back here!
- All right, give it up. Give it up!
- No!
- You'll be sorry! Come on. No!
(subway train leaving station)
- Father? Could you help an old altar boy? I'm a Catholic.
(subway train leaving station) (2)
- Mama?
[...]