Comicbook.com reports 'The Big Bang Theory' has a few episodes left to work on!
Star Kaley Cuoco shared a behind-the-scenes pic of her on set with William Shatner.
Shatner appeared on the show's 'Dungeons & Dragons' episode.
Shatner and Cuoco have apparently both starred in a series of commercials for Priceline.
The episode is said to feature additional stars, including Wil Wheaton.