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Excuse me. I'm Amy Farrah Fowler, you're Sheldon Cooper.
―Amy, introducing herself to Sheldon when they first meet.

Dr. Amy Farrah Fowler (or Amy Farrah Fowler), Ph.D., is a neurobiologist, whom Raj and Howard discovered as a possible match for Sheldon Cooper through an Online dating service (without Sheldon's knowledge). Amy is from Glendale, California, as revealed by Sheldon in "The Weekend Vortex". She studied at Harvard University (revealed in "The Scavenger Vortex", S7E03), and had a semester in Norway. She also has a doctorate degree in neurobiology ("The Roommate Transmogrification", S4E24). By Sheldon's own admission, she is most like him by any standard. Like him, she has previously avoided relationships (whether romantic or otherwise is entirely unclear), and only participated in online dating herself to fulfill an agreement with her mother that she dates someone at least once a year so she can continue to have access to her mother's George Foreman grill. She has her own apartment in Glendale, California. She also has a five-year plan to become Mrs. Cooper which appears to be working through the eighth season due to them discussing a future and having children together. By the ninth season, Amy wants to take a breather from their relationship and naive Sheldon pushes her so she breaks up with him. Later on in "The Earworm Reverberation" (S9E10), however, the two reconcile and resume their relationship. In the tenth season, they start living together in Apartment 4B after Amy's apartment is flooded, and it eventually becomes a permanent arrangement in "The Veracity Elasticity" (S10E07), and they grow closer than ever. In the season finale "The Long Distance Dissonance" (S10E24), Amy reluctantly goes to Princeton for 3 months as a visiting researcher. Meanwhile, Sheldon's previous admirer, Ramona Nowitzki, returns, and, not really acknowleding he has a new love interest, who is currently away, starts to become a little overbearing, eventually leading to Sheldon going to Princeton to propose to Amy.



Though Amy and Sheldon are very similar, they have some notable differences. She does not, for example, share his love of Star Trek, Star Wars, Indiana Jones, Comic Books or Trains. At first, she does not participate in wearing costumes on a whim like the guys do, though she is excited to wear a couples' costume for Halloween one year and, another time, dresses up as a Star Fleet medical officer in order to increase Sheldon's feelings for her. Amy is more willing to socialize with others than Sheldon. While Sheldon generally refuses to accept the need for intimacy, Amy appears to desire the kinds of friendship she was denied as a child. She is capable of acknowledging that she is part of a group, as shown in "The Zazzy Substitution" when she uses the phrase "my colleagues and I." She also finds people of the opposite sex attractive, although she is initially unable to understand her physical desire for Penny's ex-boyfriend Zack Johnson until it is examined by Sheldon and her.

Additionally, she has less of a problem with physical human contact than Sheldon, as seen in "The 21-Second Excitation" when she, without hesitation, attempted to engage in "harmless experimentation with lesbianism" with Penny, in "The Love Car Displacement" when she offered Penny to share a room with her and in "The Cohabitation Formulation" when she hugged Penny to comfort her, when Penny got upset over Leonard finding a new girlfriend (Priya). In "The Agreement Dissection", she, albeit under the influence of alcohol, kissed Penny on the mouth and later did the same to Sheldon the same night.

Amy and Sheldon know how each other thinks because when it comes to the game Counterfactuals, only they know the correct answers whose logic is very obvious to both of them. Unfortunately, other people like Leonard do not see how they obtain their answers.

Amy is very blunt and says things that make others feel awkward, though she has developed into a very loyal friend to the girls and a devoted girlfriend to Sheldon. She has low self-esteem, which is why she always puts up with Sheldon when no one else wants to date her. She is also a virgin, and so is Sheldon. Sheldon is not in a hurry to lose his virginity, but Amy is considering it. She is also allergic to avocados and likes Chaucer, other medieval poetry, old French movies, and writes Little House on the Prairie fan fiction.

Physical Appearance

Amy is 5' 4" (1.63 m), brunette, and with greenish-blue eye color. Her wardrobe includes red-frame glasses, cardigans worn over plaid shirts, denim skirts, tights, orthopedic shoes, and sometimes jumpers or floral dresses on special occasions. She also has modest taste in evening attire. Her hair is usually untied. Sheldon describes her in her hypothetical alternate-reality story as "a cute bespectacled neurobiologist with hair the color of mud" in "The Cooper Extraction".

History/Early life (Before the show)

Amy was born to Mr. and Mrs. Fowler on December 17th (as proven by Sheldon having a ticket to the premiere on THURSDAY, that being the 17th), possibly between 1979 and 1982. What happened to her father and whether she has siblings are unknown. She has a strained relationship with her mother. She was very lonely and had no friends from nursery school through to graduate school. The closest thing she had to a friend in high school was the janitor whom she regularly had lunch with until his wife found out, called Amy a "puta" (Portuguese for "whore"), and made her stop. Only her mother signed her high school yearbook. Mrs. Fowler also paid Amy's cousin to take her to the prom, but he used the money to buy drugs. She did attend the prom but was only on the clean-up crew and danced with her mop. After high school, Amy went to Harvard and received a Ph.D. in neurobiology.


Season 3

Amy makes her first appearance in the Season 3 finale, where she meets Sheldon after she was matched to him on a dating site by Howard and Raj.

Season 4

Amy had appeared in 15 episodes in Season 4, and she had been absent from 9 episodes in Season 4 (1: S4E2, 2: S4E4, 3: S4E6, 4: S4E7, 5: S4E9, 6: S4E11, 7: S4E12, 8: S4E18 and 9: S4E23).

Amy becomes very close with Sheldon starting in the premiere episode where they have dinner with Penny, and Amy is quite condescending with her. Sheldon tells everyone, "Yes, she's a girl, and yes, she's my friend, but no, she is not my girlfriend.".Later, in "The 21-Second Excitation", Amy invites herself to Penny and Bernadette's girls' night. There, she begins her friendship with them, and they start hanging out, beginning the story of Penny's Posse.

Season 5

Amy had appeared in 21 episodes in Season 5 and had been absent from 3 episodes in Season 5 (1: S5E7, 2: S5E20, and 3: S5E21).

Season 6

Amy had appeared in 22 episodes in Season 6 and had been absent from 2 episodes in Season 6 (1: S6E8 and 2: S6E22). In "The Fish Guts Displacement" (S6E10), Amy appears to have the flu and asks Sheldon to take care of her; later on, though, Sheldon realizes Amy was deceiving him and decides she needs to be taught a lesson; he resorts to spanking her, which she enjoys.

Season 7

Amy has appeared in all the episodes in Season 7.

Season 8

She appeared in all episodes.

Season 9

She appeared in all episodes. At the beginning of the season, she still wants time to think about her relationship with Sheldon and breaks up with him after he inadvertently offends her. She later starts dating another man, Dave Gibbs, who is interested in Sheldon, much to Amy's dismay. Sometime later, Amy and Sheldon make amends. When the new Star Wars movie comes out, at the same time as Amy's birthday, Sheldon decides to sacrifice going to the movie to spend Amy's birthday with her and decides to give her a present she won't forget: having sex, which they both enjoy. Amy is delighted that she is going to get the same present for her birthday next year. However, when Sheldon's MeeMah comes to visit, she and Amy immediately clash, and it is then that Amy finds out Sheldon has an engagement ring.

Season 10

She appeared in all episodes. In "The Cohabitation Experimentation" (S10E4), Amy's apartment is flooded, so she decides to move in with Sheldon; Leonard and Penny suggest they try it as an experiment. However, Sheldon and Amy immediately have some minor conflicts. In "The Hot Tub Contamination" (S10E5), Sheldon and Amy consult Penny and Leonard respectively to resolve their conflicts and discuss their issues, and in the end, they agree to make some compromises. In "The Veracity Elasticity" (S10E7), Amy's apartment is fixed up, but she keeps that a secret from Sheldon because she doesn't want to stop living with him, so they move into Apartment 4B permanently. Amy and Sheldon also grow closer, even working together on a couple of occasions. At the end of the season, Amy is invited to go on a 3-month research internship at Princeton; she is initially reluctant because she doesn't want to leave Sheldon alone, but Sheldon and the others insist. Unfortunately, Sheldon meets up with his previous admirer, Ramona Nowitzki, who hasn't changed very much since her last appearance. When Amy finds out about her, she is greatly peeved. However, Ramona eventually becomes so overbearing that Sheldon goes to Princeton and proposes to Amy.

Season 11

Amy and Sheldon spend the next three months in Princeton. When they return, Amy notices Ramona and gives her a hug in gratitude. As in seasons 7, 8, 9, and 10, Amy has appeared in every episode. Throughout the season, Sheldon and Amy are planning their wedding one step at a time. Their wedding takes place in the season finale "The Bow Tie Asymmetry" (S11E24).


  • "Sheldon..."
  • "I love you, too."
  • "Seriously, WHAT THE HELL?!"
  • "Noted. Now before this goes any further, you should know, that all forms of physical contact, up to, and including coitus, are off the table."


  • Amy is a lot like Hermione Granger: both are intelligent and blunt, and have very low self-esteem. 
  • Dr Mayim Bialik, the actress who portrays Amy, was first mentioned in "The Bat Jar Conjecture", when Leonard, Howard, and Raj discussed who would replace Sheldon on the team for the Physics Bowl and Raj suggested "You know who’s apparently very smart, is the girl who played TV’s Blossom. She got a PhD in neuroscience or something." This reference occurred about 3 years before Mayim joined the show. Amy's profession as a neurobiologist is a reference to the actress who portrays her, who actually graduated with a Ph.D. in neuroscience from UCLA in 2008. Dr. Mayim Bialik herself revealed in an interview that the writers made Amy a neurobiologist after she was cast on the show.
  • Her age is unknown. She probably is between 28 and 34 years old, but her year of birth could be between 1979 and 1985. Her birthday is December 17 ("The Opening Night Excitation").
  • Amy has a Ph. D. in Neurobiology. Sheldon revealed this fact in "The Roommate Transmogrification|The Roommate Transmogrification". She believes neurobiology is superior to both Microbiology and Theoretical Physics just like Sheldon in his field.
  • Amy is 5 ft 4 in (1.63 m) tall [1], the height of Dr Mayim Bialik.
  • Ever since "The 21-Second Excitation", Amy considers Penny her best friend and claims that their menses are synchronized. She even calls her "bestie" or BFF, which Penny is now used to.
  • Amy becomes constipated when traveling.
  • Amy wears menstrual pads all the time to avoid "surprises".
  • Prior to "The 21-Second Excitation", the closest she ever had to a slumber party was a night she spent at a hospital with a Vietnamese girl after having her tonsils removed. The girl did not survive the night, but their dalliance was, as Amy puts it, "up till then, it was kinda fun".
  • Amy is pseudo-engaged to a Saudi prince named Faisal. She met him at a fundraising trip to his country. He funds her laboratory. In return, she has a place to stay in Riyadh Saudi Arabia during the winter.
  • Amy is very prone to night terrors.
  • Amy has volunteered for scientific experiments in which orgasms are achieved by stimulating the pleasure center of the brain; hers was stimulated at least 128 times, in an unspecified number of experiments.
  • She claims to have perfected many "tension-relieving techniques for ladies" over the years.
  • She has an electric toothbrush she uses for masturbation named "Gerard".
  • She claims Sheldon to be the most fun person she knows.


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The Big Bang TheoryYoung SheldonVideo
Main Characters: Leonard HofstadterSheldon CooperPenny HofstadterHoward WolowitzRajesh KoothrappaliAmy Farrah FowlerBernadette Rostenkowski-WolowitzStuart BloomEmily SweeneyLeslie Winkle

Recurring Characters: Barry KripkeWil WheatonAltheaKurtEric GablehauserMary CooperDebbie WolowitzV.M. KoothrappaliMrs. KoothrappaliMikeStephanie BarnettBeverley HofstadterPresident SiebertZack JohnsonPriya KoothrappaliWyattMike RostenkowskiMrs. RostenkowskiAlex JensenJanine DavisLucyProfessor ProtonDavid GibbsClaireStephen HawkingAlfred HofstadterColonel Richard WilliamsDenise
Minor Characters: ChristyLalita GuptaToby LoobenfeldDennis KimDimitriMissy CooperBlainTomOctaviaMariaLourdesRamona NowitzkiKathy O'BrianDavid UnderhillAliciaMikaylaCaptain SweatpantsLonely LarryDr. CrawleyBethanySarahSkeeterProfessor LaughlinAbbyMarthaOfficer HackettSandyGlenVenkatesh KoothrappaliSebastianLouie/LouiseJoyce KimMrs. GundersonJoyMrs. FowlerAngela PageProfessor GlennMrs. LathamTodd ZarneckiSusanRandallColonel Richard Williams

Season 1: PilotThe Big Bran HypothesisThe Fuzzy Boots CorollaryThe Luminous Fish EffectThe Hamburger PostulateThe Middle-Earth ParadigmThe Dumpling ParadoxThe Grasshopper ExperimentThe Cooper-Hofstadter PolarizationThe Loobenfeld DecayThe Pancake Batter AnomalyThe Jerusalem DualityThe Bat Jar ConjectureThe Nerdvana AnnihilationThe Porkchop IndeterminacyThe Peanut ReactionThe Tangerine Factor

Season 2: The Bad Fish ParadigmThe Codpiece TopologyThe Barbarian SublimationThe Griffin EquivalencyThe Euclid AlternativeThe Cooper-Nowitzki TheoremThe Panty Piñata PolarizationThe Lizard-Spock ExpansionThe White Asparagus TriangulationThe Vartabedian ConundrumThe Bath Item Gift HypothesisThe Killer Robot InstabilityThe Friendship AlgorithmThe Financial PermeabilityThe Maternal CapacitanceThe Cushion SaturationThe Terminator DecouplingThe Work Song NanoclusterThe Dead Hooker JuxtapositionThe Hofstadter IsotopeThe Vegas RenormalizationThe Classified Materials TurbulenceThe Monopolar Expedition
Season 3: The Electric Can Opener FluctuationThe Jiminy ConjectureThe Gothowitz DeviationThe Pirate SolutionThe Creepy Candy Coating CorollaryThe Cornhusker VortexThe Guitarist AmplificationThe Adhesive Duck DeficiencyThe Vengeance FormulationThe Gorilla ExperimentThe Maternal CongruenceThe Psychic VortexThe Bozeman ReactionThe Einstein ApproximationThe Large Hadron CollisionThe Excelsior AcquisitionThe Precious FragmentationThe Pants AlternativeThe Wheaton RecurrenceThe Spaghetti CatalystThe Plimpton StimulationThe Staircase ImplementationThe Lunar Excitation
Season 4: The Robotic ManipulationThe Cruciferous Vegetable AmplificationThe Zazzy SubstitutionThe Hot Troll DeviationThe Desperation EmanationThe Irish Pub FormulationThe Apology InsufficiencyThe 21-Second ExcitationThe Boyfriend ComplexityThe Alien Parasite HypothesisThe Justice League RecombinationThe Bus Pants UtilizationThe Love Car DisplacementThe Thespian CatalystThe Benefactor FactorThe Cohabitation FormulationThe Toast DerivationThe Prestidigitation ApproximationThe Zarnecki IncursionThe Herb Garden GerminationThe Agreement DissectionThe Wildebeest ImplementationThe Engagement ReactionThe Roommate Transmogrification
Season 5: The Skank Reflex AnalysisThe Infestation HypothesisThe Pulled Groin ExtrapolationThe Wiggly Finger CatalystThe Russian Rocket ReactionThe Rhinitis RevelationThe Good Guy FluctuationThe Isolation PermutationThe Ornithophobia DiffusionThe Flaming Spittoon AcquisitionThe Speckerman RecurrenceThe Shiny Trinket ManeuverThe Recombination HypothesisThe Beta Test InitiationThe Friendship ContractionThe Vacation SolutionThe Rothman DisintegrationThe Werewolf TransformationThe Weekend VortexThe Transporter MalfunctionThe Hawking ExcitationThe Stag ConvergenceThe Launch AccelerationThe Countdown Reflection
Season 6: The Date Night VariableThe Decoupling FluctuationThe Higgs Boson ObservationThe Re-Entry MinimizationThe Holographic ExcitationThe Extract ObliterationThe Habitation ConfigurationThe 43 PeculiarityThe Parking Lot EscalationThe Fish Guts DisplacementThe Santa SimulationThe Egg Salad EquivalencyThe Bakersfield ExpeditionThe Cooper/Kripke InversionThe Spoiler Alert SegmentationThe Tangible Affection ProofThe Monster IsolationThe Contractual Obligation ImplementationThe Closet ReconfigurationThe Tenure TurbulenceThe Closure AlternativeThe Proton ResurgenceThe Love Spell PotentialThe Bon Voyage Reaction
Season 7: The Hofstadter InsufficiencyThe Deception VerificationThe Scavenger VortexThe Raiders MinimizationThe Workplace ProximityThe Romance ResonanceThe Proton DisplacementThe Itchy Brain SimulationThe Thanksgiving DecouplingThe Discovery DissipationThe Cooper ExtractionThe Hesitation RamificationThe Occupation RecalibrationThe Convention ConundrumThe Locomotive ManipulationThe Table PolarizationThe Friendship TurbulenceThe Mommy ObservationThe Indecision AmalgamationThe Relationship DiremptionThe Anything Can Happen RecurrenceThe Proton TransmogrificationThe Gorilla DissolutionThe Status Quo Combustion
Season 8: The Locomotion InterruptionThe Junior Professor SolutionThe First Pitch InsufficiencyThe Hook-up ReverberationThe Focus AttenuationThe Expedition ApproximationThe Misinterpretation AgitationThe Prom EquivalencyThe Septum DeviationThe Champagne ReflectionThe Clean Room InfiltrationThe Space Probe DisintegrationThe Anxiety OptimizationThe Troll ManifestationThe Comic Book Store RegenerationThe Intimacy AccelerationThe Colonization ApplicationThe Leftover ThermalizationThe Skywalker IncursionThe Fortification ImplementationThe Communication DeteriorationThe Graduation TransmissionThe Maternal CombustionThe Commitment Determination
Season 9: The Matrimony MomentumThe Separation OscillationThe Bachelor Party CorrosionThe 2003 ApproximationThe Perspiration ImplementationThe Helium InsufficiencyThe Spock ResonanceThe Mystery Date ObservationThe Platonic PermutationThe Earworm ReverberationThe Opening Night ExcitationThe Sales Call SublimationThe Empathy OptimizationThe Meemaw MaterializationThe Valentino SubmergenceThe Positive Negative ReactionThe Celebration ExperimentationThe Application DeteriorationThe Solder Excursion DiversionThe Big Bear PrecipitationThe Viewing Party CombustionThe Fermentation BifurcationThe Line Substitution SolutionThe Convergence-Convergence
Season 10: The Conjugal ConjectureThe Military MiniaturizationThe Dependence TranscendenceThe Cohabitation ExperimentationThe Hot Tub ContaminationThe Fetal Kick CatalystThe Veracity ElasticityThe Brain Bowl IncubationThe Geology ElevationThe Property Division CollisionThe Birthday SynchronicityThe Holiday SummationThe Romance RecalibrationThe Emotion Detection AutomationThe Locomotion ReverberationThe Allowance EvaporationThe Comic-Con ConundrumThe Escape Hatch IdentificationThe Collaboration FluctuationThe Recollection DissipationThe Separation AgitationThe Cognition RegenerationThe Gyroscopic CollapseThe Long Distance Dissonance
Season 11: The Proposal ProposalThe Retraction ReactionThe Relaxation IntegrationThe Explosion ImplosionThe Collaboration ContaminationThe Proton RegenerationThe Geology MethodologyThe Tesla RecoilThe Bitcoin EntanglementThe Confidence ErosionThe Celebration ReverberationThe Matrimonial MetricThe Solo OscillationThe Separation TriangulationThe Novelization CorrelationThe Neonatal NomenclatureThe Athenaeum AllocationThe Gates ExcitationThe Tenant DisassociationThe Reclusive PotentialThe Comet PolarizationThe Monetary InsufficiencyThe Sibling RealignmentThe Bow Tie Asymmetry
Season 12: The Conjugal ConfigurationThe Wedding Gift WormholeThe Procreation CalculationThe Tam TurbulenceThe Planetarium CollisionThe Imitation PerturbationThe Grant Allocation DerivationThe Consummation DeviationThe Citation NegationThe VCR IlluminationThe Paintball ScatteringThe Propagation PropositionThe Confirmation PolarizationThe Meteorite ManifestationThe Donation OscillationThe D & D VortexThe Conference ValuationThe Laureate AccumulationThe Inspiration DeprivationThe Decision ReverberationThe Plagiarism SchismThe Maternal ConclusionThe Change ConstantThe Stockholm Syndrome

The Apartment BuildingApartment 4AApartment 4BThe ElevatorCalifornia Institute of TechnologyWolowitz HouseThe Comic Center of PasadenaPasadenaThe Cheesecake FactoryRaj's ApartmentAmy's ApartmentHoward and Bernadette's ApartmentThe StairsSheldon's Old OfficeRaj's Old OfficeSheldon's New OfficeHoward's LabThe University CafeteriaKripke's Plasma LabInternational Space StationThe Kinetics Lab
See Also
Unaired Pilot