The Big Bang Theory
"Smart is the new sexy."
Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
Season 12 Episodes
E1
Sheldon and Amy's honeymoon runs aground in New York. Penny and Leonard discover they are uncomfortably similar to Amy's…
E2
Sheldon and Amy drive themselves crazy trying to figure out what 'perfect gift' Leonard and Penny gave them for their we…
E3
The Wolowitzes' life gets complicated when Stuart starts bringing his new girlfriend home. Also, Penny and Leonard talk …
E4
When Sheldon won't tell anyone why he's never mentioned his childhood best friend, Leonard takes matters into his own ha…
E5
When Amy doesn’t have time to work on super-asymmetry, Sheldon goes to great lengths to ensure she’s available to work w…
E6
When Howard dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party. Leona…
E7
Leonard is caught between a rock and a hard place when he's responsible for distributing extra grant money. Bernadette t…
E8
Sheldon tries to bond with Amy's father, but when Howard lures Mr. Fowler away with magic tricks, Sheldon has no choice …
E9
Sheldon and Amy are devastated after learning from a Russian paper that Super Asymmetry has already been theorized and d…
E10
Sheldon and Amy are still down about their theory being disproven, but a VHS tape from Sheldon’s past inspires him not t…
E11
Penny and Leonard organize a paintball game that results in mayhem when Sheldon is jealous of Amy. Also, Raj catches Anu…
E12
Penny runs into her ex-boyfriend, Zack, who invites her and Leonard to a dinner to meet his newlywed wife. After the din…
E13
Sheldon and Amy are thrilled when their super asymmetry theory is proven by two physicists, until they try to kick Amy o…
E14
Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breakin…
E15
Penny tries to seduce an abstaining Leonard to ruin his "donation" for her ex-boyfriend, Zack, and his wife, Marissa. Al…
E16
The gang finds out Wil Wheaton hosts a celebrity Dungeons and Dragons game involving William Shatner, Joe Manganiello, K…
E17
When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is in charge of the kids. Also…
E18
When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to bring Nobel laureates …
E19
The concept of what it would mean for women everywhere if Amy were to win a Nobel Prize causes Amy to have a meltdown. A…
E20
Raj is worried people won’t take him seriously in his own field after publishing a paper that suggests he may have disco…
E21
Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't sure if they should tu…
E22
Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him, until he finds out the real…
E23
Sheldon and Amy await big news. Meanwhile, Penny and Leonard have some big news of their own. Also, Howard and Bernadett…
E24
Johnny Galecki and Kaley Cuoco will lead fans on a trip down memory lane, sharing some of the best-kept backstage secret…
Cast
