The Maternal Combustion (8x23) Pictures

“The Maternal Combustion” – Personalities collide when Sheldon and Leonard’s mothers finally meet. Meanwhile, Howard finally decides to “man up” and do his fair share of the housework – but not without a little help from his friends, on THE BIG BANG THEORY, Thursday, April 30 (8:00-8:31 PM, ET/PT), on the CBS Television Network.