SilentComedyMafia.com

This is believed to be the earliest existing episode of the series, and aren't we fortunate that it stars Buster:

https://youtu.be/aGbUT4bgYuw

And that wasn't Buster's only appearance on I'VE GOT A SECRET, I think we've posted this before, but here's his appearance from 1957, along with Philo T. Farnsworth, the inventor of Television:

https://www.youtube.com/watch?v=3cspYZyGp1A

Thanks Ed, for posting the earlier appearance.

RICHARD M ROBERTS