Ladies and gentlemen, we have a new winner!
With respect to Bob Newhart, James Earl Jones appeared on The Big Bang Theory Season 7 Episode 14 and cemented his place as our Favorite Ever Guest Star on This Series.
The voice of Mustafa stopped by an installment that centered around Comic-Con and the difficult process of buying tickets for such an event.
So, where did Jones come in?
They went on an adventure that included sushi, ice cream, a ferris wheel ride, "Lion Sleeps Tonight" Karaoke, ding dong ditching Carrie Fisher, the strip club and a shared sauna. Naturally.
Seriously, you must watch The Big Bang Theory online now for more: