I love that Plum Crazy commercial.
I dubbed it's audio on 8TK tape,so I can play it through my Chevelles 8tk player,and home 8tk stereo too.
That same sheriff character,was actually who Jackie Gleason copied for his role in Smokey & the Bandit.
This youtube version is really poor quality though.
https://www.youtube.com/watch?v=N1WICosbX8k