A new episode of The Big Bang Theory airs tonight (April 9) on CBS!
Check out the promo and two sneak peeks for “The Fortification Implementation” below:
Episode synopsis per CBS:
When Sheldon and Amy build a blanket fort, they come to major crossroads in their relationship. Also, Wolowitz meets the half-brother he never knew he had, and when Penny is invited to appear on Wil Wheaton’s podcast, she and Leonard have a huge, on-air argument