Nerds in love? it could happen when The Big Bang Theory adds erstwhile Blossom star Mayim Bialik to the show's season finale. She'll play a potential love interest for the so-far sexless Sheldon, played by Jim Parsons, and Michael Ausiello describes the character as a female version of the character. No word yet on whether her backstory includes a slight autism that's lent itself to meticulous hat collecting. [EW]