A new powder supplement seems to have instant benefits for the group, but Freddie’s devotion to the product puts his future at risk after Carly discovers it’s a midlevel marketing…

Carly’s nemesis Nevel invites the group to his wedding, but Carly suspects that the bride isn’t what she claims to be. Harper and Spencer wager on who can collect the…

Carly makes plans to spend her birthday alone in an attempt to stave off her dreaded birthday curse, but Spencer has different plans. Freddie tries to recapture his youth. Harper’s…

Carly and Harper’s search for a better workspace leads them to a private women’s club where the leader is charismatic and demanding. Freddie enrolls Millicent in the Sunshine Girls, but…

Carly hires a matchmaker to help Spencer find someone to settle down with, but when he falls for the matchmaker instead, Carly must convince her that Spencer is her type….

Committed to rebuilding their friendship, Carly and Freddie team up to recreate some of their favorite memories after all of Carly’s photos and videos are erased from her phone.

It’s time for Sheila to renew her driver’s license, but she refuses to go take the test; Phil urges the group to try his mama’s moonshine despite their skepticism; Max…

Adam gets jealous when Teddy names Andi as his hero for a school essay.

When Adam accidentally invites Andi on the annual guys’ trip, he tries to un-invite her, which only makes matters worse.

Adam and Andi attempt to spice up their social life by making new friends.

Adam and Andi attempt to spice up their social life by making new friends.

Adam has trouble helping Katie prepare for her driving test. Also, Don turns to Lowell for help romancing Marcy.

Adam has trouble helping Katie prepare for her driving test. Also, Don turns to Lowell for help romancing Marcy.

Adam’s mother-in-law, Alice, makes an unexpected visit and reveals some shocking news.

Adam’s mother-in-law, Alice, makes an unexpected visit and reveals some shocking news.

When Adam and Andi resort to their usual punishment in response to Teddy’s bad grades, his unexpected reaction catches them off guard.

When Adam and Andi resort to their usual punishment in response to Teddy’s bad grades, his unexpected reaction catches them off guard.

In an attempt to date a guy way out of her league, Margaret pretends to be someone she’s not. When Hank doesn’t hear back from his doctor about a questionable…

When Max reconnects with an old friend, Caroline’s jealousy inspires her to try to make some new friends of her own.

When Max decides to head to Los Angeles to win back Randy, she and Caroline embark on a cross-country road trip with Han at the wheel. Also, while Han and…

Sheldon 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…

With 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.

When Raj moves out of his apartment, Leonard and Penny offer him Sheldon’s old room.

Leonard, Penny and Raj adjust to their new living arrangement, and Sheldon takes an interest in Amy’s work.

Sheldon 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…

Howard 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.

Leonard isn’t thrilled when Penny considers taking a new job offered by her ex-boyfriend, Zack.

After 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…

The gang is concerned when Sheldon’s former admirer, Dr. Ramona Nowitzki, resurfaces while Amy is away at Princeton.

After 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…

When 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.

After 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…

Colonel Williams, an Air Force representative from the Department of Material Command sits down to talk with Wolowitz.

Tensions 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”…

When 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.

Leonard 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…

Sheldon and Amy’s honeymoon runs aground in New York. Penny and Leonard discover they are uncomfortably similar to Amy’s parents. Raj insults physicist Neil deGrasse Tyson and starts a Twitter…

When Sheldon won’t tell anyone why he’s never mentioned his childhood best friend, Leonard takes matters into his own hands. Bernadette and Penny take out Raj’s fiancée for dinner to…

When Amy doesn’t have time to work on super-asymmetry, Sheldon goes to great lengths to ensure she’s available to work with him even it if means accidentally sabotaging her career…

Leonard and Howard are furious after they learn Sheldon went to work with the military behind their backs. Also, while Bernadette is on bed rest, she asks Raj to do…