Mr. Brain (Jay Leno) vs Jason Alexander

[@robertmcginty4146]

Used to love these!

[@Midwest_Redneck]

This bit was so stupid, but I loved it!!!

[@RichardX1]

Finally got his chin proportional to the rest of his head

[@ZeraphineDoll]

Hysterical!

[@orangehornet57]

I liked the original theme song about him being smarter than Einstein, Newton, and you. It later got changed. Have you ever noticed that if the interviewer gets too close, his voice also gets distorted?

[@kentuckyman21]

Great bit