Kaley Cuoco, Johnny Galecki recall falling in love on 'Big Bang Theory' set - Page Six

Kaley Cuoco and Johnny Galecki pulled back the curtain on the moment they fell in love filming “The Big Bang Theory.”.

Cuoco, now 36, was “crushing so hard” on Galecki, 47, from the start — but their relationship reached a “turning point” during a particular scene.

CBS via Getty Images.

CBS via Getty Images.

CBS via Getty Images.

CBS via Getty Images.

CBS via Getty Images.

“We had to be in each other’s arms — and for quite some time, because it was a bit of a stunt that we were doing,” Galecki recalled.

Since their 2010 breakup, Galecki has gone on to date Alaina Meyer and welcome son Avery, now 2