I think we ought to get to class.

5 seconds sound clip from the Grease (1978) movie soundboard.

You can hear this line at 00:18:42 in the Blu-ray version of the movie.

Quote context

[...]

- See you later.

- Come on, girls.

- Do you really think so?

- Sure.

- Yeah?

- I think we ought to get to class.

- Do the splits, give a yell, show a little spirit for Rydell!

- Way to go, red and white. Go Rydell, fight, fight, fight!

- And now... Quiet, please.

- Quiet, everyone.

[...]