Good one, dude.
4 seconds sound clip from the Bill & Ted's Excellent Adventure movie soundboard.
You can hear this line at 00:43:39 in the Blu-ray version of the movie.
Quote context
[...]
- Bill, I think they want us to say something.
- Be excellent to each other. (2)
- Well, we gotta get back to our report.
- Yeah, we'd take you with us, but it's a history report, not a future report.
- Later.
- Let's get back and do our report.
[...]