The video to 'Buddy Holly' by Weezer is just about the most obvious a Parody that a music video can be:
This is a straight forward Parody of the US TV series 'Happy Days':
It even includes scenes taken from the original TV programme as well as a cameo appearance from 'Arnie' the owner of the Diner in 'Happy Days'.
See if you can work out what scenes are from the original show, what scenes were filmed fresh for the music video and what scenes are a combination of the two.