Kaley Cuoco, Johnny Galecki reflect on their real-life romance during ‘The Big Bang Theory’ Wednesday, October 5 by ABC NewsKaley Cuoco and Johnny Galecki's chemistry was so off the charts during The Big Bang Theory that they took their on-screen romance into the real world.The pair respectively played Penny and Leonard on the sitcom for 12 seasons, from 2007 until 2019. While their... Read More.
