Johnny Galecki, Lance Barber, and Jim Parsons in The Big Bang Theory (2007)

Johnny Galecki and Lance Barber in The Big Bang Theory (2007)

On the set with Tim O'Malley and star Lance Barber, "Bad Meat" 2003

Annie Potts, Lance Barber, Raegan Revord, Montana Jordan, and Iain Armitage in The Sin of Greed and a Chimichanga from Chi-Chi's (2019)

Annie Potts, Lance Barber, Zoe Perry, Raegan Revord, and Iain Armitage in Young Sheldon (2017)

Lance Barber and Zoe Perry in Young Sheldon (2017)

Lance Barber, Zoe Perry, and Iain Armitage in Young Sheldon (2017)

Lance Barber, Zoe Perry, Raegan Revord, Montana Jordan, and Iain Armitage in Young Sheldon (2017)