8 20 2015-04-09 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. 5155402 20864 https://artworks.thetvdb.com/banners/episodes/80379/5155402.jpg false