Say No To Daylight Saving Time?

Now that we're back on Standard Time, here's an oddity from forty or fifty years ago. In this compilation of drive-in movie intermission clips, there's one that warns the viewer not to let the government switch us to Daylight Saving Time, as if it's some sort of nefarious plot.

I'm guessing it was produced by the Association Of Guys Who Make Clocks With No Adjusting Dial. If you can pin down for me when or where this might shown, or shed any (day)light on it, I'd appreciate the info. Meanwhile, I'm headed to the snack bar for some popcorn and barbecue...