We're halfway through The Big Bang Theory spinoff Stuart Fails to Save the Universe, and I still maintain the opinion that it's better than the original CBS sitcom.
But that hasn't stopped the two from being heavily intertwined. Over the last four episodes, we've seen cameo appearances from Raj (Kunal Nayyar), Penny (Kaley Cuoco), Bernadette (Melissa Rauch) and Amy (Mayim Bialik). Could this week add a fifth member to the growing party?