Guest Star: Kevin Smith
The Fortification Implementation
Season 8, Episode 20 - Aired April 9, 2015
When Sheldon feels down about being left out of a physics symposium, Amy suggests they spend their date night building a fort, which leads to a new development in their relationship.
When Penny appears on Wil Wheaton's podcast and reconsiders her decision to quit acting, she and Leonard have a huge on-air argument. Meanwhile, after Howard gets the title deed to his mother's old house, he is surprised when an unknown relative turns up on the doorstep.
Appeared as Himself, V.O.