28 (nabbing a reported 0,000 per episode), just in time for a big story arc for Bialek’s character, Amy.

Following her decision in last week’s episode to accept a summer research fellowship at Princeton University, Thursday’s finale finds her boyfriend Sheldon (Jim Parsons) living alone for the first time.

It's fun to see him vulnerable and to drop false sense of bravado.PHOTOS: Behind the Scenes: ' The Big Bang Theory' 1. Kunal Nayyar has his fingers crossed for Lucy (Kate Micucci) and Raj, but no matter what happens, he's glad to see his character evolve.It took only one take for Cuoco and Galecki to film Penny professing her love for Leonard. Wolowitz voice -- which again was present, as it is every year at Comic-Con -- isn't the only impression Melissa does on the show. "It's lovely to see him get to explore that side to himself, which has been amiss for so long," he said.I don't know if he'll succeed, but it's really sweet." 4.Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated.