The story of love started while Kaley Cuoco and Johnny Galecki filmed The Big Bang Theory.

The Big Bang Theory Kaley Cuoco and Johnny Galecki fall in love while filming.

Kaley Cuoco and Johnny Galecki spoke candidly about whatever they romanced while making the film.

Kaley Cuoco has openly said that Johnny Galecki has a huge crush on him.

Kaley Cuoco and Johnny Galecki have been dating each other ever since the two made the film.

Kaley Cuoco has told that my eyes were fixed only on Johnny Galecki.

Johnny galecki says that when we started dating Kaley Cuoco we didn't think we had any such crush.

When Johnny galecki and Kaley Cuoco both kissed for the first time in episode 6 of the first season.