Sheldon is intrigued with the of beta testing an MIT designed machine that purports to help read people’s emotions. Leonard tries to hide his anger when Penny announces that her brother is coming to town and staying with them and Raj invites his ex-girlfriends to give him dating advice.moreless
The gang goes to a wine bar and runs into Penny's old boyfriend, Zack, who hits it off with Raj's girlfriend, Claire. Meanwhile, Bernadette and Sheldon spend an evening together.
Lucifer and Chloe investigate the death of a famous chef, and determine that someone on his staff poisoned him. Suspicion falls on the man's estranged son, who has just returned to town and takes heroin. Meanwhile, Maze and Trixie bond over drinks, and Chloe's mother Penelope pays a visit.moreless
When filing for a patent for their infinite persistence gyroscope, Leonard, Sheldon, and Howard learn that the university owns 75% of the patent's revenue, so they decide to write a contract between the three of them to split the remaining 25%. Also, Raj looks to the ladies for advice when both Emily and Claire contact him.moreless
Sheldon and Amy host a live Valentine's Day episode of "Fun with Flags", Leonard and Penny look for a way to enjoy Valentine's Day, Howard and Bernadette prepare to try out their new hot tub and Raj struggles with his feelings about Emily.moreless
Sheldon's grandmother, aka Meemaw, visits and there's friction between her and Amy, which intensifies after the elderly woman blurts out a secret about Sheldon. Meanwhile, Raj is conflicted when an attractive writer for a children's sci-fi show asks to collaborate with him.moreless
Walden baby proofs the house to pass the inspection from the adoption agency. Walden and Alan have a "we're getting a baby party" with their friends.
Ben treats a patient obsessed with the urban legend of Piggy Man. Meanwhile, Constance brings in a medium to deal with the spirits that haunt her, Vivien begins a new diet, and Violet discovers the truth about Tate.moreless
While the Murder House's newest permanent resident stalks Ben and Vivien, Tate must face someone from his own dark past. Meanwhile, Chad tries to decorate the house to his satisfaction, while Constance has a heart-to-heart chat with Violet.moreless
While Claudia and Myka investigate the case of a woman who can disintegrate anyone who angers her, Pete and his mother deal with their issues after being reunited.
The hair (and cocktail) files when one queen is accused of having a sugar daddy.
58 years before the fall, two families, the Graystones and the Adamas, live together on Caprica, a colony many light years away from Earth where a startling breakthrough in artificial intelligence brings about unforeseen consequences.moreless