The Fortification Implementation
S8, E20: Sheldon and Amy build a blanket fort. Meanwhile, Wolowitz meets a half-brother he didn't know he had. Leonard and Penny have an argument in front of Wil Wheaton.

S8, E20: Sheldon and Amy build a blanket fort. Meanwhile, Wolowitz meets a half-brother he didn't know he had. Leonard and Penny have an argument in front of Wil Wheaton.