The Big Bang Theory Season 8 Episode 20
The Fortification Implementation
Sheldon is disappointed that he wasn't invited to a symposium with other scientists.
Raj brings girl scout cookies. Howard had a lawyer track down his father because of the house, but Howard didn't have to talk with him.
Penny is joining a podcast with Wil Wheaton.
Raj talks with Bernadette about her plans for remodeling the house.
A visitor arrives, and it turns out to be Howard's half-brother.
During the podcast, Leonard joins on. It also turns out that Penny's movie has a cult following. During the call, a director joins on and tells Penny he'd love her to read for a part in his new movie. Leonard comments that she already has a job, but Penny is excited to try to do both.
Sheldon and Amy have dinner, and Sheldon is still depressed. In an fort to cheer him up, she offers to help him build a fort.
Howard is uncomfortable about the presence of his brother, but warms up when his brother asks him about being in astronaut.
As the podcast continues, Leonard and Penny fight over whether or not Penny should try out for a part.
Leonard is upset to learn that Penny now makes twice the amount of money he does.
Meanwhile, Sheldon and Amy enjoy their fort. Sheldon doesn't want her to leave, and Amy suggests they have their first sleepover.