Katey Sagal, Kaley Cuoco, 8 Simple Rules

Gale Adler/ABC via Getty Images

Could this casting get any better?!

It was just announced at The Big Bang Theory's 2016 San Diego Comic-Con panel that Katey Sagal will be playing mother to Kaley Cuoco once again as Penny's mom this fall, according to executive producer Steven Molaro.

Sagal and Cuoco previously played mother and daughter on 8 Simple Rules, which ran from 2002 to 2005 on ABC. She will appear in the first episode of the season, along with Penny's brother, who will be played by Jack McBrayer. He was on hand at the panel to help make the announcement.

While we don't know a whole lot about Penny's backstory, we have met her father, who was played by Keith Carradine in two episodes. Maybe seeing more of her family means we'll finally find out her last name!

It's about time that more of Penny's family shows up, since Penny and Leonard did just get married and all, and Sagal and McBrayer are basically the most perfect choices anyone could have made.

The Big Bang Theory returns to CBS on September 19 at 8 p.m. 

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