Big Bang Theory executive producer Bill Prady revealed via Twitter that Good Wife‘s Christine Baranski will reprise her role as Leonard’s mother on the CBS sitcom’s upcoming 100th episode. “Christine’s cameo will be shot in New York, uploaded and appear as a Skype conversation on Leonard’s laptop for the show [shooting] tonight,” Prady wrote.

http://www.tvline.com/2011/12/tvline-items-steven-weber-hot-in-cleveland-baranski-big-bang-theory/#more-279414