The Big Bang Theory - The Fortification Implementation
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.
- Season: 8
- Episode: 20
- Runtime: 30
- Aired: April 9th, 2015 at 20:00