The Big Bang Theory › Season 8

S8 E20: The Fortification Implementation

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.

Air date	Apr 9, 2015
Runtime	20 minutes
TMDB rating	★ 7.5/10