- You'd better cut out in back of the south latrine.
- Why the south latrine?
- Because that's where he is. In the water tank.

6 seconds sound clip from the Stalag 17 movie soundboard.

You can hear this line at 01:47:48.646 in the Blu-ray version of the movie.

Quote context

[...]

- Three is a crowd, especially if you've got to cut through barbed wire.

- Let's have the wire cutters.

- Are the civilian clothes ready?

- Coming up.

- Get to work on the trap door.

- What do you say, Hoffy? We hit the air-raid trenches then cut out back of Barracks 9.

- You'd better cut out in back of the south latrine.

- Why the south latrine?

- Because that's where he is. In the water tank.

- Good spot.

- Well, with any luck we may be in Krems by morning. Maybe even catch a barge up to Linz.

- Two packs of cigarettes say Dunbar never gets out of the compound.

- Are you starting that again?

[...]