Johnny Galecki (Experimentalphysiker Doktor Leonard Hofstadter) mit Jim Parsons (theoretischer Physiker Doktor Doktor Sheldon Cooper) & Kaley Cuoco (Penny) in der The Big Bang Theory -Episode „Die Wahrheit über den Fahrstuhl“.
Johnny Galecki (Experimental Physicist Doctor Leonard Hofstadter) with Jim Parsons (theoretical Physicist Doctor Doctor Sheldon Cooper) & Kaley Cuoco (Penny) 2010 in The Big Bang Theory „The Staircase Implementation“.