Change it back! I said change it back.

5 seconds sound clip from the WarGames (1983) movie soundboard.

You can hear this line at 00:21:56 in the Blu-ray version of the movie.

Quote context

[...]

- What are you doing?

- I'm changing your biology grade.

- I don't want you to do that. You will get me in trouble.

- Nobody can find out.

- There. You just got a C! Now you don't have to go summer school.

- Change it back! I said change it back.

- OK, OK.

- I guess I better get going.

- Thanks for the ride.

- Yeah, OK. Bye.

[...]