'Big Bang Theory' Season 6 Episode 13 SPOILERS & Kaley Cuoco Donning Role As 'Secret Child'

CBS's hit sitcom "The Big Bang Theory" will return on Thursday night with an all new episode titled "The Bakersfield Expedition."

Episode No. 13 of season six will feature the guys taking a road trip to a comic book convention decked out as characters from "Star Trek: The Next Generation." While they're out on a nerdy getaway, the girls will remain at home and attempt to understand a comic book.

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The CBS network gave the following description on the upcoming episode:

"Leonard and Sheldon are brilliant physicists - wizards in the laboratory, but socially inept outside of it.  Enter beautiful, free-spirited neighbor, Penny, who aims to teach them a thing or two about life. While Leonard spends his days looking for love, Sheldon is quite content video-chatting with platonic partner Amy Farrah Fowler, or playing Star Trek 3D Chess with their ever-expanding universe of friends, including fellow scientists Koothrappali and Wolowitz, and Wolowitz' fiancée, the adorable microbiologist, Bernadette."

In other "Big Bang Theory" news, cast member Kaley Cuoco (Penny) recently hosted the People's Choice Awards for the second consecutive year at the Nokia Theatre in Los Angeles. To add to the show's prestige, "Big Bang Theory" brought home the award for Favorite Network TV Comedy.

While Cuoco was nominated in the Favorite Comedic TV Actress category, she did not win the award. However, the sitcom star will probably not have much time on her hands to sulk as she's recently been added to the Priceline advertising campaign alongside spokesperson William Shatner.

"One year after stunning millions of William Shatner fans by dropping his 'Negotiator' character off a bridge, priceline.com is back with a new TV campaign - and another shocker, " Priceline said in a statement released on Jan. 9. "The Negotiator will reveal that he has a secret child, and she is none other than Kaley Cuoco, star of the hit TV series "The Big Bang Theory."

The latest episode of "The Big Bang Theory" will air on Thursday, Jan. 10, at 8 p.m. on the CBS network.