[raspyberr]

I've always considered this to be a pretty accurate scene: https://youtu.be/watch?v=mYAahN1G8Y8

[qsort]

I haven't seen that movie, but yeah, cringe violin aside, that's both a very realistic example of a simple Olympiad-style problem and an actually valid math proof!

[gilleain]

Also covered by Mathologer : https://www.youtube.com/watch?v=04x4ZdLpN-0