Song parody, best appreciated if you've ever listened to an oldies channel, and taken calculus from a psychotic instructor. Or had an office down the hall from one. "You should have seen the looks on their faces ..." "I did, Scott. We all did, while we were trying to figure out what your parents had done to you during your childhood."
Take a look at the test paper in the video. Giving the panicked students a graph instead of a function, when they're under time pressure, would be evil. Granted, it looks like a cubic, so if one assumes that the function is supposed to be a polynomial, noting where the critical points are should allow one to derive the cubic, which one can then take the derivative of, but still ...
Parody of the gorefest about Thermopylae that came out a few years ago, in which five of Sparta's least elite warriors are sent out to defend a goat pass.