'The Big Bang Theory' season 10 spoilers: A crowded wedding for Leonard and Penny

(Facebook/TheBigBangTheory)"The Big Bang Theory" season 10 premieres on Sept. 19 on CBS.

New season 10 photos from "The Big Bang Theory" have been released. And it looks like fans will be treated to one heck of a premiere episode as they say hello to faces, both old and new.

CBS has released 23 new photos from the set of the upcoming season. The images range from Leonard (Johnny Galecki) and Sheldon's (Jim Parsons) apartment to Leonard and Penny's (Kaley Cuoco) simple wedding ceremony. Howard (Simon Helberg) and Bernadette's (Melissa Rauch) kitchen is also featured. All main characters are there, but exciting new ones are also making an appearance.

As previously reported, Katey Sagal and Jack McBrayer are set to guest star as Penny's mother, Susan, and brother, Randall, respectively. Judging by the group shot of everyone at the wedding, Keith Carradine is also back as Penny's father. And as with the season 9 finale, Leonard's parents (Judd Hirsch and Christine Baranski) and Sheldon's mother (Laurie Metcalf) are also in attendance. One photo also sees Dean Norris in uniform as someone from the Air Force. Everyone looks nice — even Stuart (Kevin Sussman) is there.

It is definitely an exciting episode to look forward to, especially with so many notable names. "Every character on the show has something great to do," executive producer Steve Molaro told TVLine.

Molaro also shared his desire to have some of them reprise their roles down the road. "Now that they are officially members of the 'Big Bang' family, we would love to have them come back so we can service them with more time and energy than we could in the premiere," he said.

Considering Penny's family is somewhat shrouded in mystery, it will be a great start to season 10 to see how their dynamic plays out. After all, Penny's mother is described as being "anxiety-ridden," while her brother has a bad history with drugs.

As for the future of "The Big Bang Theory," CBS has yet to renew the series and it seems like a huge part of the decision also relies on its cast. As Kaley Cuoco said in an interview on Jimmy Kimmel Live, "it's a very expensive question."

"The Big Bang Theory" season 10 will premiere on Sept. 19 at 8/7c on CBS.

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