And now, a word from their sponsor: The Disco Body Shaper?

The Museum of Classic Chicago Television account has done it again, sharing a clip so shocking, so astonishing, so Seventies, that words fail me. Let the YouTube commenters do the talking today.

It's the Disco Body Shaper:

This ad has it all except for one important thing.

That's right, it's missing Disco Ethel Merman!