CBS’s The Big Bang Theory is the super popular sitcom about brilliant nerds. If you’ve been watching, you’ve undoubtedly seen Steve Wozniak’s recent guest spot — but there have been other notable presences, too. Willow Garage’s Texai telepresence robot recently made an appearance as “Shel-bot” — a stand in for the character Sheldon. While we didn’t get to see the hilarious high jinks ourselves, we can tell from the screen shots that it was a pretty good time. Hit up the coverage link to learn more about Willow Garage’s Texai.