Johnny Galecki

Stars in the House

Self

The Late Show with Stephen Colbert

Self - Guest

Conan

Self

The Talk

Self

The Big Bang Theory

Leonard Hofstadter

My Name Is Earl

Scott

American Dad!

Arnie (voice)

The Late Late Show with Craig Ferguson

Self

Entourage

Johnny Galecki

The Ellen DeGeneres Show

Self

Family Guy

Leonard Hofstadter (voice)

Batman Beyond

Knux (voice)