Guest star alert! Jessica Walter's guest appearance is right around the corner, and turns out that her character will be much "friendlier" than we might have anticipated. The former "Arrested Development" star will reportedly be sharing a smooch with Johnny Galecki's character Leonard. Not sure what the context will be, but we're sure it's for a good cause! Also, even if you're an avid fan of TBBT, you might not have realized that the show is filmed in front of a live audience -- no laugh track required! Find out more tasty news tidbits by watching the full news in the link below!