The Big Bang Theory Season 10 Premiere: Penny's Family First Look

Last season of The Big Bang Theory began with Leonard (Johnny Galecki) and Penny (Kaley Cuoco-Sweeting) getting married; however, it wasn't the grand affair many had expected. Instead, the two decided to elope, have a small ceremony in a Las Vegas wedding chapel, and exchanged vows based on dialogue from Pixar's classic 1995 film, Toy Story.

Since they were in such a rush to get hitched, neither of them had their family nor their dearest friends in attendance, though the latter were able to watch the event via a live-stream. For the Season 10 premiere, Leonard and Penny will right that wrong by renewing their vows, having a proper wedding ceremony with their family and friends. And today, CBS has released (via EW) a first look at the wedding family photo.

"Penny's close with her dad [Keith Carradine]," EP Steve Molaro told EW. "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."

In the season premiere, after Sheldon's father and Leonard's mother share an evening together, everyone deals with an awkward morning the following day. Also, Penny's family arrives for the ceremony, including her anxiety-ridden mother, Susan (guest star Katey Sagal), and her drug dealing brother, Randall (guest star Jack McBrayer).

The cast features Johnny Galecki as Leonard, Jim Parsons as Sheldon, Kaley Cuoco as Penny, Simon Helberg as Wolowitz, Kunal Nayyar as Koothrappali, Mayim Bialik as Amy, and Melissa Rauch as Bernadette.

The Big Bang Theory returns Monday, Sept. 19 at 8 p.m. ET on CBS. The Big Bang Theory: The Complete Ninth Season will be released on Blu-ray and DVD on Sept. 13.