I won't write out a huge OP, as I'm on my phone at the moment, but man is this well executed. Funnier than I expected.
They had to painstakingly watch like every episode of the show just to find the right dialogue to insert for the moment.
God the Beavis audio even has stereo tracking with the stuff on screen.
Wow haven't laughed like that in a while, thanks OP, cleaning happy tears off my face.