"It was some of the best years of my life, and some of the most fun I've ever had," Cuoco said of her time on the hit sitcom.

Kaley Cuoco has stayed extremely busy since The Big Bang Theory wrapped up, but would she be open to returning as Penny? Here's her answer.

As The Big Bang Theory universe expands, Kaley Cuoco would enthusiastically join its orbit. Speaking to People ahead of the second season debut of her Peacock comedy-thriller Based on a True Story, Cuoco reflected on her starring role as Penny with nostalgic fondness.