Kaley Cuoco's True Emotions on Reuniting with Katey Sagal for The Big Bang Theory Reveal!

Kaley Cuoco and Katey Sagal, who had worked together on "8 Simple Rules", reunited on the set of "The Big Bang Theory". Cuoco expressed her excitement on Instagram, calling Sagal her "tv mom". This reunion allowed for the development of Penny's backstory, as her mother and brother were introduced on the show. Fans were thrilled to see the two actors together again.

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