But the captain didn't say anything about going undercover.

4 seconds sound clip from the Super Troopers movie soundboard.

You can hear this line at 00:51:39 in the Blu-ray version of the movie.

Quote context

[...]

- Lock and load, Ramathorn. Let's kick some tail.

- We weren't talkin' about you, you big idiot.

- Bullshit. (3)

- Truck stop, huh?

- We gotta do it.

- But the captain didn't say anything about going undercover.

- Do you think they're gonna tell us anything if they know we're cops?

- Get a job, man!

- Look, you're fuckin' super cop. You should know this.

- I am super.

[...]