The Big Bang Theory

S08E2020 min· aired 4/9/2015
The Fortification Implementation
TMDb7.5
Overview
When Sheldon and Amy build a blanket fort, they come to major crossroads in their relationship. Also, Howard meets the half-brother he never knew he had. Meanwhile, Penny is invited to appear on Wil Wheaton’s podcast, but things turn awkward when Leonard joins them.