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Leonard & Penny Are Renewing Their Vows on 'The Big Bang Theory'

Penny's family will cause a whole lotta ruckus this season.

Leonard & Penny Are Renewing Their Vows on 'The Big Bang Theory'
TVLine

Family time!

Things are about to get really crazy on The Big Bang Theory. In the Season 10 premiere, Leonard (Johnny Galecki) and Penny (Kaley Cuoco) are planning to renew their vows, but things get a bit complicated along the way. Leonard's dad (Judd Hirsch) may have potentially slept with Sheldon's mother (Laurie Metcalf). We don't think Sheldon (Jim Parsons) will be shouting “Bazinga!” about this any time soon.

Not to be out done, Penny's family brings in their own set of troubles. Her mother (Katey Sagal) and drug addict brother (Jack McBrayer) will finally make their debut on the CBS sitcom.

Leonard & Penny Are Renewing Their Vows on 'The Big Bang Theory'
EW

“Penny’s close with her dad [Keith Carradine],” stated executive producer Steve Molaro. “As we know, her brother Randall has been a bit of trouble over the years, selling drugs and being in and out of jail, and that’s put a lot of stress on her mom. You will pick up on the tensions between her mother and her brother very quickly, and you get a glimpse of Penny and her dad being caught in the middle of that.”

Leonard & Penny Are Renewing Their Vows on 'The Big Bang Theory'
TVLine

So will Sagal and McBrayer come back for more episodes?

“Now that they are officially members of the Big Bang family,” Molaro added, “we would love to have them come back so we can service them with more time and energy than we could in the premiere.”

The Big Bang Theory returns Monday, Sept. 19 at 8 p.m. ET on CBS.

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