Episodes
E1 · The Date Night Variable
2012 · 21m · 7.2 TMDB
With his friends on dates, Raj must face his loneliness. Also, Wolowitz is caught in an argument between Bernadette and his mom, even while he’s in space.
E2 · The Decoupling Fluctuation
2012 · 21m · 7.3 TMDB
When Sheldon learns that Penny is thinking about breaking up with Leonard, he tries to intervene. Meanwhile, in space, the other astronauts pick on Howard.
E3 · The Higgs Boson Observation
2012 · 19m · 7.4 TMDB
Amy feels threatened when Sheldon hires a young female assistant, and the pressure of being in space takes its toll on Wolowitz.
E4 · The Re-Entry Minimization
2012 · 21m · 7.8 TMDB
When Wolowitz returns from space, he doesn’t get the hero’s welcome he expected. Meanwhile, Game Night turns into a battle of the sexes.
E5 · The Holographic Excitation
2012 · 21m · 7.5 TMDB
The gang celebrates Halloween at Stuart’s comic book store. Meanwhile, Leonard seduces Penny with science.
E6 · The Extract Obliteration
2012 · 21m · 7.2 TMDB
Sheldon’s relationship with Stephen Hawking is threatened over a game of “Words with Friends,” and Penny secretly enrolls in a class at the local college.
E7 · The Habitation Configuration
2012 · 21m · 7.2 TMDB
Wolowitz struggles with moving out of his mother’s house. Meanwhile, Sheldon is caught in the middle of an argument between Amy and Wil Wheaton.
E8 · The 43 Peculiarity
2012 · 21m · 7.8 TMDB
Raj and Howard try to to figure out why Sheldon disappears at 2:45 every afternoon; jealousy arises in Penny and Leonard's relationship.
E9 · The Parking Spot Escalation
2012 · 20m · 7.8 TMDB
When the University reassigns Sheldon’s parking spot to Wolowitz, their fight affects the whole gang.
E10 · The Fish Guts Displacement
2012 · 21m · 7.7 TMDB
When Amy gets sick, Sheldon tries to nurse her back to health; Wolowitz and his father-in-law plan a fishing trip.
E11 · The Santa Simulation
2012 · 21m · 7.5 TMDB
During a Dungeons and Dragons game, Sheldon revisits Christmas memories; Amy, Penny and Bernadette look for a date for Raj.
E12 · The Egg Salad Equivalency
2013 · 21m · 7.7 TMDB
When Sheldon is accused of sexual harassment, he ends up getting Raj, Leonard and Howard in trouble.
E13 · The Bakersfield Expedition
2013 · 21m · 8.0 TMDB
As the guys don costumes and go on a road trip to a comic book convention, the ladies decide to stay home and try to interpret a comic book.
E14 · The Cooper/Kripke Inversion
2013 · 20m · 7.4 TMDB
Sheldon faces a crisis of confidence when he is forced to work with his nemesis, Barry Kripke; Raj and Howard buy expensive action figures of themselves.
E15 · The Spoiler Alert Segmentation
2013 · 21m · 7.6 TMDB
A fight between Sheldon and Leonard impacts Amy and Penny's living arrangements; while Howard is away, Raj helps Mrs. Wolowitz out.
E16 · The Tangible Affection Proof
2013 · 21m · 7.4 TMDB
The guys search for a perfect Valentine's Day gift for their significant others; Stuart and Raj host a "lonely people" party at the comic book store.
E17 · The Monster Isolation
2013 · 19m · 7.6 TMDB
After a bad date, Koothrappali decides to never leave his apartment; Penny's acting skills impress Sheldon.
E18 · The Contractual Obligation Implementation
2013 · 20m · 7.6 TMDB
Leonard, Sheldon and Howard give lectures on science to junior high students. The girls ditch work to go to Disneyland. Raj devises a date for Lucy that fixes their social anxiety problems.
E19 · The Closet Reconfiguration
2013 · 20m · 7.6 TMDB
Howard considers whether or not he should open a letter from his father; Penny and Leonard host a "grown-up" cocktail party.
E20 · The Tenure Turbulence
2013 · 19m · 7.7 TMDB
The girls get involved when Leonard, Sheldon and Raj compete for tenure at the University.
E21 · The Closure Alternative
2013 · 20m · 7.7 TMDB
Amy tries to help Sheldon get over his compulsive need for closure when one of his favorite TV shows is canceled; Raj discovers a secret about Lucy.
E22 · The Proton Resurgence
2013 · 21m · 7.8 TMDB
Leonard and Sheldon hire the host (Bob Newhart) of their favorite childhood TV show to perform; Bernadette and Howard run into trouble while dog-sitting for Raj's pet.
E23 · The Love Spell Potential
2013 · 21m · 7.6 TMDB
A date between Raj and Lucy takes both of them out of their comfort zones. After a trip to Las Vegas goes awry, the girls join in on a Dungeons and Dragons game, which causes Amy and Sheldon to re-evaluate their relationship.
E24 · The Bon Voyage Reaction
2013 · 20m · 7.4 TMDB
When Leonard receives an exciting opportunity to work overseas, Penny and Sheldon are thrown for a loop. Raj and Lucy's relationship comes to a crossroad.
