Episodes
The Conjugal Conjecture
7.0After Sheldon’s mother and Leonard's father share an evening together, everyone deals with an awkward morning the next day. Also, Penny’s family arrives for the wedding ceremony, including her anxiety-ridden mother, Susan, and her drug dealing brother, Randall.
22 min
The Military Miniaturization
6.9Colonel Williams, an Air Force representative from the Department of Material Command sits down to talk with Wolowitz.
19 min
The Dependence Transcendence
7.0Tensions rise when the boys struggle to complete their government project on time and Sheldon tries an energy drink to stay awake. Also, Penny and Amy go to a “party” at Bert the geologist’s house, and Koothrappali learns Bernadette’s true feelings about her pregnancy when they clean out the future baby room.
20 min
The Cohabitation Experimentation
7.6When Amy’s apartment floods, she proposes a “cohabitation experiment” with Sheldon. Also, Howard and Bernadette are upset when Koothrappali learns the gender of the baby before they do.
20 min
The Hot Tub Contamination
7.3Leonard and Penny must separate a quarreling Sheldon and Amy when their cohabitation does not go as planned, and Sheldon threatens to break off their relationship when Amy refuses to adhere to the bathroom schedule. Also, Howard and Bernadette find unexpected guests at their house when they decide to stay home from a planned vacation.
20 min
The Fetal Kick Catalyst
7.1Penny is surprised to learn she has fans of her performance in "Serial Ape-ist" when she attends Van Nuys Comic Con with Leonard. Also, Amy hosts a Sheldon-style brunch at Penny’s apartment, and Wolowitz makes an impulsive purchase when he starts stressing out about the baby on the way.
18 min
The Veracity Elasticity
7.1In order to continue living with Sheldon, Amy lies to him about repairs being made to her apartment and they host an "on location" episode of "Fun With Flags" in Penny’s apartment. Also, Leonard lets Penny decorate Sheldon’s old room after he learns that she has been secretly moving Leonard’s collectibles into storage.
21 min
The Brain Bowl Incubation
7.3After a successful experiment combining their genes, Sheldon will stop at nothing to convince Amy they should procreate. Also, Koothrappali is embarrassed to tell the gang what the new woman he’s dating does for a living.
19 min
The Geology Elevation
7.2When Bert, a Caltech geologist, wins the MacArthur Genius fellowship, Sheldon is overcome with jealousy. Also, Wolowitz finds an old remote control Stephen Hawking action figure he invented.
19 min
The Property Division Collision
7.2Sheldon and Leonard try to divvy up their shared belongings, but can’t agree on anything. Also, Koothrappali and Stuart fight to be the most helpful during Bernadette’s final weeks of pregnancy.
20 min
The Birthday Synchronicity
7.0Howard and Bernadette welcome their new baby and Sheldon and Amy celebrate Amy’s birthday.
20 min
The Holiday Summation
6.9Sheldon and Amy visit Leonard and Penny for the first time since the holidays and share details about their terrible trip to Texas.
21 min
The Romance Recalibration
6.8When Penny feels that Leonard is taking her for granted, she decides to go on a spa weekend with Amy. Also, Wolowitz and Koothrappali try to fix a squeaky floorboard in the baby’s room.
19 min
The Emotion Detection Automation
6.9Sheldon beta-tests an MIT invention after hearing it can help him read people’s emotions. Also, Leonard can’t hide his feelings when Penny announces her brother is coming to town, and Raj invites his ex-girlfriends over to give him dating advice.
19 min
The Locomotion Reverberation
7.2Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley.
20 min
The Allowance Evaporation
6.8Sheldon and Amy have their first fight since moving in together, and Koothrappali is shocked at the realities of financial independence when he stops receiving support from his father.
18 min
The Comic-Con Conundrum
7.2With Koothrappali cut off from his father’s fortune, he appoints Sheldon to help him get out of debt. Also, Penny considers joining Leonard at Comic-Con.
19 min
The Escape Hatch Identification
7.0When Raj moves out of his apartment, Leonard and Penny offer him Sheldon's old room.
20 min
The Collaboration Fluctuation
7.1Leonard, Penny and Raj adjust to their new living arrangement, and Sheldon takes an interest in Amy’s work.
18 min
The Recollection Dissipation
6.9Sheldon pushes himself to the limit when he collaborates on projects with Leonard and Wolowitz as well as Amy on the same day. Also, Bernadette is nearing the end of her maternity leave and must return to work.
19 min
The Separation Agitation
6.8Howard and Bernadette have a hard time leaving Halley in day care when Bernadette returns to work. Also, Bert introduces the gang to his new girlfriend, Rebecca.
20 min
The Cognition Regeneration
6.7Leonard isn’t thrilled when Penny considers taking a new job offered by her ex-boyfriend, Zack.
20 min
The Gyroscopic Collapse
7.0After Leonard, Sheldon and Wolowitz celebrate the completion of the top secret air force project, they are met with an unpleasant surprise. Also, Amy is offered a summer position as a visiting researcher.
19 min
The Long Distance Dissonance
7.7The gang is concerned when Sheldon’s former admirer, Dr. Ramona Nowitzki, resurfaces while Amy is away at Princeton.
19 min