''Series/TheBigBangTheory''

[[foldercontrol]]

[[folder:T]]
* TakeThat: Quite a few, largely to non-geeky movies.
-->'''Bernadette:''' "So we are just going to sit here and wait for something to happen?"\\
'''Howard:''' "I did that with you when we watched ''Film/TheNotebook''..."
** There are several examples of "geeky" movies and series taking a slam too
--->'''Sheldon:''' ...and after breakfast, I thought we'd watch the final season of ''Series/BabylonFive'' with director's commentary\\
'''Leonard:''' But you HATE ''Babylon 5''!\\
'''Sheldon:''' I do; it fails as science fiction, drama, and is hopelessly derivative, but you like it and you're my friend.
** "The Flaming Spittoon Acquisition" takes a jab at card battle games with the guys being initially disgusted with "Mystic Warlords of Ka'a'"s latest expansion adding Wild West characters to a fantasy-themed world, but find themselves unable to resist buying and playing it.
** After a long episode of slagging off ''Film/StarTrekVTheFinalFrontier'' ("Dude, ''Star Trek V'' is the standard by which all badness is measured!"), the VanityPlate included the following, after the main text: "Oh, and Creator/WilliamShatner, director of ''Star Trek V''? Go ahead. Sue us." In the same episode, Sheldon insists ''The Motion Picture'' is worse than V, and the same vanity card includes a shot at George Lucas.
** ''Series/{{Heroes}}''.
--->'''Sheldon:''' They can't just cancel a show like ''Alphas''. They have to help the viewers let go. ''Firefly'' did a movie to wrap things up, ''Series/BuffyTheVampireSlayer'' continued on as a comic book, ''Heroes'' gradually lowered the quality season by season, til we were grateful it ended.
* TakeOurWordForIt: Sheldon running a red light while driving Penny to the hospital in "Rubber Duck Deficiency", as revealed in "The Excelsior Acquisition". [[http://www.youtube.com/watch?v=NtRcuBJBWKc The scene]] of him driving her ends with him stopping at a red light, without taking Penny's advice to even go the speed limit.
* ThanksForTheMammary: Sheldon, to Penny. He didn't bump into her, though; he was [[NotWhatItLooksLike helping her get dressed]] when she dislocated her shoulder in the bathtub -- with his eyes closed.
** Although he later admits that he was ''lying'' when he said he hadn't looked.
** Amy was constantly wanting more physical contact with Sheldon, even coercing him to snuggle . Later Sheldon and Leonard went to pick her up from a liquor store parking lot Leonard helped her to her feet and walked her to the car and she happily exclaimed "Looks like someone finally found 'Second Base!'"
* ThatCameOutWrong: In "The Roommate Transmogrification" when Raj proves himself to be a better roommate than Leonard, Sheldon compares Leonard to Homo Erectus saying that he, like Homo Erectus, has been replaced by something better. Raj then makes a comment he regrets.
-->'''Raj''': I'm the new homo in town... that came out wrong.
** Sheldon would often say {{Double Entendre}}s and not recognize what he was saying as sounding weird or odd, with everyone explaining why. When the group offered to help Sheldon overcome his stage fright, they suggested that they name them after the ComicBook/{{X-Men}}. Sheldon appreciated the sentiment but suggested that since the X-Men were named after Charles Xavier, his team should be named after Sheldon Cooper and be called the C-Men.
--->'''Howard''': Oh, no... that's not a good name.
** Penny when she's doped up on painkillers and she asks Sheldon to help her get into bed.
---> '''Penny''': *''laughs''* Sheldon has to get me into bed!
** Bernadette has an argument with Amy, stemming from a feud between Howard and Sheldon over a parking spot, and ends up storming out after taking a shot at Amy and Sheldon's celibate relationship.
-->'''Bernadette''': I'm going home and I'm going to have SEX with my husband! Maybe I'll even let him do it to me in a parking spot! ''(beat while she realizes what she said)'' ...which sounds dirty but I didn't mean it that way!
* ThatMakesMeFeelAngry: Sheldon is not good at reading people's emotions at all, so about the only way to tell they are upset or uncomfortable at all is for them to tell him outright.
-->'''Penny:''' Of course this makes me uncomfortable, can't you tell?\\
'''Sheldon:''' I really have no idea, I don't really excel at reading facial expression and body lang...\\
'''Penny:''' I'M UNCOMFORTABLE, SHELDON!\\
'''Sheldon:''' ...thank you. That's very helpful.
* TheTheTitle
* ThemeTuneCameo: Subverted. Howard's ringtone is the theme that was only used in the unbroadcast pilot.
* TheReasonYouSuckSpeech: Penny to pre-CharacterDevelopment Howard, after enduring two seasons of his unwelcome advances:
-->'''Penny''':I know you think you’re some sort of smooth-talking ladies’ man, but the truth is, you are just pathetic and creepy.
-->'''Howard''': Um, so what are you saying?
-->'''Penny''': I am saying it is not a compliment to call me doable. It’s not sexy to stare at my ass and say, “Ooh, it must be jelly ’cause jam don’t shake like that.” And most important, we are not dancing a tango, we’re not to’ing and fro’ing. Nothing is ever going to happen between us. Ever.
-->'''Howard''': Wait a minute. This isn’t flirting, you’re serious.
-->'''Penny''': Flirting? You think I’m flirting with you? I am not flirting with you, no woman is ever gonna flirt with you, you’re just gonna grow old and die alone.
* ThereAreNoGirlsOnTheInternet: Sort of. When Penny walks into a comic book shop, all the guys - and there are only guys - stop and stare. A far more [[UnfortunateImplications egregious]] example: a RunningGag to the effect that, while female scientists exist, [[DoubleStandard few if any are "doable", so they don't really count as women.]] Of course, the latter was said by ''Howard''.
** Lampshaded by Stuart: "Blink twice if you are here against your will."
** Also inverted as that was the only reason Amy Farrah Fowler was found as match to Sheldon.
* ThereIsOnlyOneBed: Played with, Penny couldn't sleep in her hotel room due to Amy's night terrors and asked Leonard to stay with him and Sheldon, who was already asleep. 's bed (and his idiosyncratic method of sleeping, described as "Like getting into Dracula's coffin") and Penny knew she couldn't share his bed. So she and Leonard tried sharing a bed as platonic friends, with awkward enough results.
* ThinkHappyThoughts:
-->'''Sheldon''': Look on the bright side.\\
'''Leonard''': What bright side?\\
'''Sheldon''': Only nine more months until Comic-Con.\\
'''Leonard''': ''[smiling]'' Oh yeah!
* ThisIsGoingToBeHuge: In the flashback episode at the end of Season 3. While making out the roommate agreement, Leonard asks if Friday night being ''Series/{{Firefly}}'' night needs to be in the agreement. Sheldon responds that they might as well decide now, because the show [[FridayNightDeathSlot is going to be on for years]].
* ThisIsMyChair: Sheldon's spot on the couch.
* ThisLoserIsYou: At least if you're a {{nerd}}. Or [[JerkJock if]] you're [[TheDitz not]] a [[DumbBlonde nerd]].
* ThoseTwoGuys: Howard and Raj, and their "ersatz homosexual marriage". Although they aren't as directly connected to Sheldon, Leonard and Penny (by virtue of not being neighbors or roommates), they do manage to do activities separate from each other and the others but do play up the HoYay undertones in certain episodes.
* AThreesomeIsManly: Raj drunkenly reveals during Howard's bachelor party that they once had a threesome with a overweight Franchise/SailorMoon cosplayer;
--> '''Raj''': "Don't worry, there was no funny business between us, not with two hundred pounds of Franchise/SailorMoon between us!"
* ToiletHumour: Toilet Humour [[RecycledINSPACE IN SPACE]] to be specific, in "The Classified Materials Turbulence", where the gang has to fix a malfunctioning zero-gravity toilet. To quote Sheldon: "Apparently there is no law of diminishing comedic returns with space poop".
-->'''Howard''': All right, this is an exact duplicate of the Wolowitz zero-gravity human waste disposal system as deployed on the international space station.\\
'''Raj''': Don't you mean the Wolowitz zero-gravity human waste ''[[ExpospeakGag distribution]]'' system?
** Sheldon had some flatulence problems after eating Brussels sprouts in an episode where he becomes hyper health-conscious.
---> Sheldon: "Thursday night will no longer be cruciferous vegetables night."
** Sheldon insists on having a specific time to use the bathroom and is proud to say that he is "as regular as a German train schedule."
*** Sheldon also kept a journal of his bowel movements since childhood.
--->'''Penny:''' That's disgusting!\\
'''Leonard:''' No, what's disgusting is that he still keeps track.
** There are many jokes referencing Leonard's lactose intolerance too, which makes him flatulent; although, this is never shown on-screen.
---> Sheldon: "Leonard, if you can eat this piece of cheese without farting you can sleep with my sister."
* ToiletSeatDivorce: During Leonard's brief "official" relationship with Leslie, she broke up with him over the fact he had a preference towards String Theory (which Sheldon brought up) while she is on the Loop Quantum Gravity. To the average viewer this is ridiculous, but to these super-geniuses it is SeriousBusiness.
** Also played as DoesThisRemindYouOfAnything:
---> '''Leslie:''' How can we have a relationship if we don't believe the same thing? How are we going to raise the children?\\
'''Leonard:''' I guess we'll wait until they're old enough and let them decide what theory they would like for themselves.\\
'''Leslie:''' You can't let them decide, Leonard; THEY'RE CHILDREN!
* TooDumbToLive:
** Has a variation called [[DitzyGenius Too Socially Inept To Live]]. Many of the things Sheldon says and does would, in the real world, cause one to be arrested, hospitalized, possibly even killed. One episode even reveals he doesn't even cash his paychecks because nothing available to buy in the present interests him. Apparently he's never heard of stale dated checks, inflation or compound interest.
** And apparently the university's payroll department has never heard of direct deposit, or even modern accounting practices. Somewhere an auditor is having a field day...
** Sheldon's not the only offender - in the real world, Howard would have been done for sexual harassment half a dozen times by now, and there'd be injunctions blocking him from about half of Pasadena.
** Howard has been sued for sexual harassment a lot more times than six. But there are no injunctions blocking him from about half of Pasadena.
** Sheldon actually did go to jail in "The Excelsior Acquisition":
-->'''Leonard:''' Sheldon's in jail?! For what?\\
'''Penny:''' For doing the same crap he always does, except to a judge.
** However, in the real world, someone would get very angry at Sheldon and attack him, causing him (Sheldon), and possibly witnesses, to be hospitalized and possibly even killed. That person could get arrested for disturbing the peace, and witnesses could get seriously injured or even killed out of the attacker's rage, if Sheldon angers him that much.
** All in all, Sheldon and Howard would not fare well at all in the real world, and they are so lucky to not exist in the real world.
** The show does have an example of Too Dumb to Live, though: When the check engine light is on, that means YOU CHECK YOUR ENGINE!!!! And what does Penny do? She ignores it. Sheldon, Leonard's mom, and Amy all warned her about it, and she just ignored them. Three brilliant minds told her about the check engine light, and she ignored them as if they were crazy about that affecting the car. And when her engine does break down, she doesn't seem to see the connection between it and her ignoring the check engine light. WhatAnIdiot.
* TooMuchInformation: Usually involving Amy Farrah Fowler.
* TookALevelInBadass: For a certain qualification of "badass." Leonard started off the series being painfully shy and uncertain of himself, it took him the entirety of the first season to officially ask Penny out. It's implied that interacting with Penny has helped boost his sense of self-worth and he progressed from being a [[NiceGuy nice]], [[TheGenericGuy generic guy]] to becoming scathing {{Deadpan Snarker}}s and having more of a potential love life than just with Penny. Just with his interactions with Penny he is much more comfortable being assertive and teasing her than he was before, no longer feeling he has to be submissive to stay on her good side.
** In parallel CharacterDevelopment, we've also seen Penny Take A Level In Nerd. (The first [[http://www.youtube.com/watch?v=vKXBqs]] with a DoubleTake ''at herself'', while the studio audience applauds.) In addition to random science-fiction analogies, she has quite a bit more patience and higher standards when it comes to dating.
** In ''The Werewolf Transformation", after missing a haircut, Sheldon "enters a world of chaos" and becomes about as badass as he could be.
* TrademarkFavoriteFood: Whenever the eating together, it's Chinese food. Although it's not so much trademarked for Sheldon as it is ISO.
--> '''Sheldon''': Did you get the chicken shredded?\\
'''Leonard''': Yup.\\
'''Sheldon''': Even though the menu says it's cubed, not shredded?\\
'''Leonard''': Yup.\\
'''Sheldon''': Did you get the low-sodium soy sauce?\\
'''Leonard''': Yup.\\
'''Sheldon''': Did you get the good spicy mustard?\\
'''Leonard''': Yup.\\
'''Sheldon''': Excellent. (beat) What took you so long?
** But when it's just them, they seem to have (slightly) greater variety in their diet. They go to various restaurants, including the Cheesecake Factory where Penny is a waitress. Also, at work they have generic cafeteria food together in some cafeteria presumably on the Caltech campus.
*** It completely covers Sheldon though. He has a strict menu that he eats per day, for all days, and presumably snacks as well. The Chinese food ''has'' to be from Szechuan Palace. (Unfortunately for Sheldon, they closed years ago. Now his cashew chicken comes from Golden Dragon.) He's similarly disappointed to see that they've got Mumbai Palace, not their usual Tandoori Palace. When Penny makes french toast for breakfast, he complains that it's "oatmeal day". When Leonard and Penny leave, he comments that the food does smell good, then finishes with "too bad it's not french toast day" and dumps it into the trash. He also seems quite fond of milk and tends to drink it more often than expected, ''especially'' if the other diners have wine or champagne.
** Inverted with Raj, who has expressed his distaste of Indian food many times.
** And then there was the time Sheldon was alone and ordered Kadai Paneer. Consider: He can only order it when the others are away, because of Raj's distaste for Indian food, Howard's peanut allergy, and Leonard's lactose intolerance. His meals are usually very regimented, but in this instance he was willing to ''break the pattern'' to order it. No wonder he called it "a symbol of my independence."
* TrainingMontage: Parodied when Sheldon and Raj intently study a whiteboard... complete with fast cuts and "Eye of the Tiger" playing in the background to a bunch of different camera angle cuts. ''Twice.''
* TrollFic: [[http://www.fanfiction.net/s/8408595/1/ Carolina and Penni]] MST [[http://theficcritic.blogspot.com/2012/08/hello-im-fic-criticbecause-someone-had.html here]] is a fic written by an author who is apparently very interested in MyImmortal (they wrote a startical sequel and favorited a MST of it). The first lines are "Heyyyy! I am Carolina Watson and first off Im waaaaaaaaaaaaaayyyy hawter then that bitch Penni. I'm 17 and syuper dyuoper hawt! Yeah, I'm tan and blonde and I'm 17 year old! I'm sexi and Im dating Sheldin. I'm also syuper smart and I'm Byeseckshyoowell!" It gets worse from there. The author's note at the end of the second chapter claiming it is *not* a parody did nothing but convince even the doubters it's a parody.
* TrollingTranslator: In one episode, Howard would "translate" for the selectively-mute-around-girls Raj via Raj whispering in his ear. At one point Penny and Bernadette ask the guys how Amy found out they went brides maid dress shopping without her. Howard immediately blames Raj. When Raj angrily whispers his protest to Howard, Howard takes the opportunity to put more words in Raj's mouth. It's this trope and not quite TranslationWithAnAgenda because everyone knew Howard was being ridiculous.
* TrueLoveIsBoring[=/=]TrueLoveIsExceptional: Ultimately runs the gauntlet of both tropes with Leonard and Penny. Penny's "type" at the beginning was the [[DumbMuscle dimwitted, muscular]], JerkJock kind of guy and gave Leonard a shot because he was so different and interesting. They enjoy being together but Penny was attracted to the other guys because [[AllGirlsWantBadBoys they seemed a little dangerous]] and doesn't feel that kind of excitement with Leonard. Because he and the guys she used to date were both boring and exceptional in different ways her dating life crashed in season four.
** Season six plays both ends, as Penny teased the idea of breaking up with him (again) because while she loved him it was a "different, boring kind of love," ultimately backing off only because of his PuppyDogEyes. But when encouraged by the girls to visit him at work she was awestruck over seeing him in his comfort zone playing with lasers and holograms, finding the exceptional part of him again. A few episodes later in "The 43 Peculiarity" [[spoiler: she said "you know I love you...", which was the first time she said it to him,]] and that manages to stabilize their relationship on both ends remarkably well.
* TruthTellingSession: On "The Irish Pub Formulation", Leonard's confession of [[spoiler:having slept with Raj's sister Priya]] snowballs into one of these.
* TVGenius: Parodied in , where Sheldon and Raj have a HardWorkMontage to ''Eye of the Tiger''. It's literally just them staring at a whiteboard of equations.
[[/folder]]


[[folder:U]]
* UglyGuyHotWife: Downplayed, as Leonard is considered to be handsome and looks good together with Penny but he is ever aware that she is normally out of his league. The trope is deconstructed in the sixth season when he explains that it is hard to have guys far more attractive than him (at the least taller) hit on her when they are out together.
* UnclePennybags: Sheldon, surprisingly. When Penny falls behind on her rent and her car breaks down, he freely gives her enough money to pay for both of them. Despite her assumption that Sheldon's obsessive tendencies would lead him to hound her, it turns out that he's incredibly lax when it comes to lending his money. He honestly doesn't care ''when'' it's paid back, as long as it ''eventually'' is.
* UncomfortableElevatorMoment: The elevator's been broken for the entire series, so instead, awkwardness occurs while climbing the stairs. Penny and Raj's sister Priya share (intentionally drawn out to make the audience uncomfortable) in Season 4.
* {{Understatement}}: After he worked up the nerve to ask her out in the first season finale, Penny admitted to Sheldon that she knew Leonard had "a little crush" on her. Sheldon responded with "A ''little'' crush. I suppose so, like how Menelaus [[TheTrojanWar had "a little crush" on Helen of Troy]]."
* UndisclosedFunds: Raj's parents are apparently "ComicBook/RichieRich"-rich, according to Sheldon. When asked how much that is, he just says that it's somewhere between "[[Franchise/{{Batman}} Bruce Wayne]]"-rich and "[[ComicBook/DisneyDucksComicUniverse Scrooge McDuck]]"-rich.
* UnEvilLaugh: Raj, in the ''Bat Jar Hypothesis'', contemplating Sheldon's impending humiliation when he takes on Leslie Winkle in a Physics Bowl general knowledge quiz.
* TheUnfavorite: In "The Itchy Brain Simulation" Leonard reveals he was this to his aunt as well. When he went to college, he got an itchy sweater that made him breakout. His brother got a car.
* {{Unishment}}: Amy pretends to be sick far longer than she's actually ill because Sheldon takes it upon himself to treat her illness, including rubbing Vaporub on her chest and bathing her. When he finds out she's been lying, he regretfully informs he has to spank her. She can't believe her luck.
---> (After the first spank which causes Amy to just giggle excitedly) Sheldon: "Excuse me! You're not supposed to enjoy this!"
---> Amy: "... Then maybe you should spank me harder...?"
---> Sheldon: "...Maybe I will!"
* UnlimitedWardrobe: Partially averted. While the characters have a very extensive wardrobe, they do repeat outfits from time to time, mostly the guys.
* UnitsNotToScale: An American space probe sent to Mars failed and crashed because two sets of engineers confused Imperial and Metric measurements in critical components. The confusion between inches and centimeters was not noticed by quality control and the mission became a multi-million dollar embarrassing failure. Lampshaded by Amy Farrah-Fowler when both Sheldon and Howard perpetrate similar lapses of detail.
-->''it demonstrates that Americans have problems with the metric system, huh?''
* UnrequitedLoveSwitcheroo: Leonard/Penny/Priya
* UnrevealAngle: Howard's mother is the comedic version of TheVoice, but some episode tease the viewers by having her in situations where she could appear, like her son's wedding. She once appeared in "The Spoiler Alert Segmentation" in the background, but her face was hidden. It confirmed that she's obese.
* TheUnsmile: Sheldon provides the current page image in the episode "The Griffin Equivalency":
--> ''"We're here to see Koothrappali, not kill Batman!"''
* TheUnfairSex: Priya towards Leonard.
* UnsympatheticComedyProtagonist: Sheldon's self-centered egotism and condescending behavior of him the source of conflict for any given episode, even just by being sick and asking for help (his obnoxious neediness at that stage is dreaded by everyone). Howard's CasanovaWannabe and outright pervy behavior of the earlier seasons were also not meant to be endearing, although he gradually grew out of it. That said the show is based on every character being unfairly humiliated at some point, which has occasionally made them [[DracoInLeatherPants more sympathetic than intended]].
* UnusualEuphemism: "Frickity Frack, not this again!"
* UnwantedGiftPlot: Amy gives Penny a bad painting of the "The Rothman Disintegration".
[[/folder]]


[[folder:V]]
* ValleyGirl: Penny falls into this from time to time, even though she's originally from Nebraska.
* VanityPlate: The Chuck Lorre Production notes which give you a split second to read a long paragraph. Even the short ones with a picture and a caption usually takes a FreezeFrameBonus to appreciate.
* VerbalTic: Penny likes to call people "Sweetie." In a bout of confusion Sheldon used it as evidence that she has feelings for him.
-->'''Penny:''' "I call everyone sweetie."\\
'''Sheldon:''' "You tramp."
* VisualPun: Coupled with StealthPun. Raj enters the comic book store with a [[http://www.thinkgeek.com/product/a]] playing [[StarWars the Imperial March]]...which of course means he's wearing a loud shirt. Leonard even tells him to turn his shirt off.
* VitriolicBestBuds: Sheldon with everyone.
* VocalDissonance: Bernadette normally has a fairly high pitched, squeaky voice. But there are times when she yells and sounds ''exactly'' like Howards mom. Which he finds to be ''[[OedipusComplex hot]].''
** Howard being the stereotypical television Jewish man will never be rid of his mother, ''in any form.''
* VocalEvolution: Melissa Rauch's voice for Bernadette was always pitched higher than her own natural voice, but her first few episodes it was still fairly natural sounding. Later episodes it is quite higher, almost to HeliumSpeech. Funny enough, when Bernadette gets angry her voice ''lowers'' in pitch.
** Carol Ann Susi as the voice of Mrs. Wolowitz has always had NoIndoorVoice, but was slightly more muted and with less enunciation in her earlier "appearances."
* TheVoice: Howard's mother, Mrs. Wolowitz, [[HeWhoMustNotBeSeen She Who Must Not Be Seen]].
* TheVoiceless: Rajesh, whenever he's with a woman -- unless he's drunk.
** VoiceForTheVoiceless: Howard, who usually just relays what Raj whispers into his ear (though sometimes Howard's annoyed comebacks imply what Raj said well enough). There are also times when Howard will lie about Raj said in order to deflect blame on to Raj. Since Raj can't talk to them, he has no way of refuting the comments.
* VolleyingInsults: Sheldon hates Leslie Winkle for being the only woman able to be actually more deliberately unpleasant and insulting to him than he could be to anybody else. Cue their constant rows when both meet.
[[/folder]]
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[[folder:W]]
* WackyMarriageProposal: Howard pulls this on Bernadette when she asks where their relationship is going.
** His [[http://www.youtube.com/watch?v=c-i proposal]] is both cringeworthy and utterly hilarious. Subverted in that Bernadette sees it as the most romantic thing anyone has ever done for her.
* WalkAndTalk: The central hallway set is redecorated to represent characters consistently have to climb (usually OnceAnEpisode). They use it for a WalkAndTalk in addition to a couple of {{Uncomfortable Elevator Moment}}s. The creators are actually quite proud of this, as it is a unique piece of set design that no other show can claim. Similar shows only get away with an "L" shaped hallway.
* WeWantOurJerkBack: In a variation Sheldon balked at switching up his regimented dinner plans and refused to go to Raj's place with every. The rest of the group spent the Sheldon-free evening talking about how annoying he could be, only to realize the group felt empty without him around.
-->'''Sheldon''' (knocking on the door): [[RuleOfThree "All my friends." "All my friends." "All my friends."]]
-->'''Howard''': I think it's like ''Film/{{Beetlejuice}}''...we mentioned his name too many times!
* WhamLine:
** From "The Grasshopper Experiment": "Where did my life go, Penny?" Context? Raj was [[DrowningMySorrows drowning his sorrows]] and that was technically ''his first spoken words to Penny'', establishing that being drunk counteracts his selective mutism.
** When Raj behaved obnoxiously while drunk with Penny as his date to a People Magazine function, he tried to apologize while sober via handwrit. Penny refused to read the letter and demanded something verbal, after a few seconds of mustering up the courage he squeaked out "Sorry." which was the first words he has consciously spoken to her without alcohol.
** After Leonard wondered what Penny's feelings were towards him, they had an argument over his neurotic, jealous behavior and she says "You're too hard on yourself, [[TheILoveYouStigma you know I love you]] so can you please relax because you are driving me crazy." Both are stunned almost to the point of tears.
** When Sheldon permits a rumor that he and Amy are having sex (to distract from his subpar work) Penny asked him straight up if they will ever have sex. [[spoiler: After a short monologue about his struggles in dealing with emotional and physical intimacy he concludes with "It's a possibility."]] Once he turns his back Penny silently starts freaking out, clawing Leonard's arm.
** [[spoiler: In the sixth season finale, Raj's female friend Lucy breaks up with him and he has a tearful conversation with Penny the next day. When Penny says that it's just the booze talking, Raj responds "No, it's not... I haven't had a drink since last night..." [[ExplainExplainOhCrap Pause]] as they both realize that he's been conversing with her TOTALLY SOBER.]]
* WhatHappenedToTheMouse:
** Season 2 episode arc where Leonard dates a medical doctor, Stephanie, who sort of stealth-moves into his apartment. He spends that whole third episode [[CanNotSpitItOut trying to find a way]] to get her to move back out, but being diverted because she keeps jumping his bones. She isn't explicitly stated to have broken up with him (when he finally ''does'' spit it out, her response is to, well, jump his bones)... but by the next episode Leonard appears to be single again, with no mention of Stephanie.
** This was also played with in an episode where Penny decides to stay in Leonard and Sheldon's apartment for the night. Raj walks out of the shot right before she walks into the room and asks to stay. Leonard, Penny, and Sheldon all have the whole argument about her staying there and then, once that's all over and it's decided that Penny stays, they turn out the lights and all go to bed. Cut to Raj, who was in the middle of eating a sandwich in the kitchen. He quietly leaves the room, looking like he has no idea what just happened.
** In "The Psychic Vortex" Raj and Sheldon managed to acquire dates with intelligent and slightly geeky girls (one being played by [[TheWonderYears Danica McKeller]]) named Abby and Martha, and even got a second date shortly after. What made these girls really unique was that the ice-breaker was Sheldon carrying Franchise/GreenLantern's power battery at a party and ''they [[GeekyTurnOn fully knew what it was]];'' they ended up playing ''RockBand'' back at Sheldon's apartment. Not to mention that Sheldon even appeared to enjoy talking with Martha (discussing ''Literature/{{Flatland}}'' among other things) with Raj and Abby making out on the chair. It can be assumed that Sheldon's {{asexual}} nature really disappointed Martha, and that took Abby away from Raj. But these were girls who could relate to them in interests, intelligence and were attracted to them ''because'' of it (not even Penny can really claim that with Leonard), so with no follow up episode it almost seems to be a waste.
* WhatTheHellHero: In "The Justice League Recombination," Penny and Zack stop by Leonard and Sheldon's apartment. Zack is eager to "talk science with the science dudes," prompting Sheldon, Leonard, Howard, and Raj to make fun of him with snide questions and remarks. He doesn't catch on, which only leads to further insults. When Zack eventually does figure it out, he leaves, hurt, and Penny points out that, despite the guys' constant talk of being bullied and mocked, they're acting like complete jerks.
* WhatTheHellIsThatAccent: When Barry Kripke is first introduced with his strange speech impediment (reminiscent of Elmer Fudd), Raj asks "What part of America is that accent from?", but his question is summarily ignored. For the record, it's called [[http://en.wikipedia.org/wiki/Rhotacism rhotacism]].
* WhosOnFirst: D"The Alien Parasite Hypothesis" with Amy telling Sheldon about her reaction to Penny's ex, Zack. "Hoo."
** Played with in The Bozeman Reaction, where Raj ends it quickly.
--> '''Sheldon''': General Tso’s Chicken is no longer listed under specialties. It’s now under chicken.
--> '''Raj''': So?
--> '''Sheldon''': Yes, General Tso.
--> '''Raj''': Not Tso the chicken, so the question. So?
* WillTheyOrWontThey: For the first season, Leonard and Penny. [[spoiler:In the first episode of season 3, they do, although they break up at the end of the season. They get back together in season 5, for the 100th episode.]]
* WimpFight: Leonard and Sheldon get into a fight at a seminar in the first season, which is largely a push, shove and slap fight. They are subsequently shown on Website/YouTube and are clearly embarrassed over how silly they look:
--> '''Leonard''': Oh geez. Does this suit really look that bad?
--> '''Sheldon''': Forget your suit, look at my arms waving. I'm like a flamingo on Ritalin.
** The wrestling match between Howard and Raj also counts, the fight being which of the two would be the superhero and which would be sidekick in their imaginary hero team. It consisted of over a half-hour of circling each other on the mat. Leonard fell asleep waiting for something resembling a fight to happen, though their "superhero banter" was above average.
** Also the time Sheldon and Barry played one-on-one basketball for a vacant office. (They chose sports so that they would have a level playing field, since it's they're both equally bad at.) They go forty shots without sinking a single basket.
* WithFriendsLikeThese: It's not entirely clear on why Leonard, Howard and Raj are friends with Sheldon and vice-versa. They see him as a source of irritation and make fun of him behind his back. Sheldon meanwhile shows them no respect, ridicules Leonard and Howard's work, and is so stubborn, selfish and demanding that the gang agrees with whatever he wants to do because it's easier than arguing with him.
** Penny once questioned how {{Jerkass}} Sheldon got any friends to begin with. The answer: "We liked Leonard." Sheldon managed to save Leonard's life and kept Leonard out of prison, so he's indebted to Sheldon, but Howard and Raj fall back to "We liked Leonard".
** Although a scene in begin with cheerfully toasting having effectively driven Sheldon out of their lives, it ends with them all lamenting that they actually ''miss him''. Apparently despite his personality faults and aggravation, they actually do like him... they're usually just distracted from doing so by how annoying he is.
* WomenAreWiser: Played with. Usually Penny or another female character is the common sense of the group, but sometime Leonard or others, including Sheldon are the ones to point out things the others never seen.
* WomenPreferStrongMen: All of Penny's ex-boyfriends are [[DumbMuscle muscular and dumb]].
* WrittenInInfirmity: Averted. When Kaley Cuoco (Penny) fractured her leg at the beginning of season 4, Penny was absent for a few episodes and no reference was made to her not being around. Once she returned the writers decided that her character would have a new bartending assignment at the Cheesecake Factory and be shot from the waist up behind the bar. A VanityPlate was dedicated to new rules to ensure the safety of cast members, including any extreme activities (Kaley was injured while riding horses). This did result in Penny wearing fewer shorts and skirts, as Kaley got a fairly major scar from the whole thing. A scene in the first episode of season 5 shows Penny riding a horse, as an apparent in-joke.
** Mayim Bialik injured her hand in a car accident before filming for season 6. Similarly to Kaley, no mention was made and they simply filmed around the injury by hiding it via camera angles and scenery obstructions.
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[[folder:Y]]
* YeOldeButcheredeEnglishe: An in-universe example. Sheldon complains that a renaissance fair gets away with any inaccuracies simply by writing "Ye Olde" in front of everything.
* YouAnsweredYourOwnQuestion: When Penny tells Leonard that everything goes wrong with their relationship when they talk, she adds that she had a relationship with a guy named T.J. and they never talked.
--> '''Leonard''': "Wait, if you guys never talked, what did you... Never mind. Stupid question."
* YouNeverDidThatForMe: Penny mentions Leonard hasn't let her talk him into [[IWantMyBelovedToBeFashionable cooler dressing/hobbies]] as much as he let Priya.
* YourFavorite: For Sheldon - Strawberry Quik
--> '''Sheldon''': "Strawberry Quik!!! My favorite pink beverage! Just beating out Pepto-Bismo!
** When Amy decides it's time their relationship moved ahead (much to Sheldon's protests), she decides to get him to [[http://en.wikipedia.org/wiki/Classical_conditioning associate all his favorite things with her]]. In addition to the above [[ThroughHisStomach strawberry Quik and spaghetti with little hot dogs cut up in it]], she played the ''Franchise/SuperMarioBros'' theme song and played doctor ''Franchise/StarTrek'' style, uniform and all. [[spoiler:It worked, despite Sheldon's constant insistence that it would not.]]
** For Leonard - German Chocolate Cake.
** Sheldon's favorite Muppet is Swedish Chef.
* YourMom: Invoked by Raj in order to try to get Howard to let go of "The One Ring". Then Sheldon gleefully notes that if they turn on each other, he will get The Ring by default, Raj and Howard to decide to [[EnemyMine team up]] against him. Sheldon lists his mother's faults before they get a chance to, leaving them to bring out the big guns.
--> '''Raj''': All right, not your mother. How about... your ''grandmother''.
--> '''Sheldon''': [[AnythingButThat No!]] I call no Mee-maws!
** Howard's mother is a ''living'' YourMom. It's implied that every single thing said about Mrs. Wolowitz is true, but since [[HeWhoMustNotBeSeen she's never visible on-screen]], the audience simply must [[TakeOurWordForIt Take Their Word For It]] per RuleOfFunny.
** [[http://www.youtube.com/watch?v=CZNflEUQeUQ Sheldon]] has his own take on the insult.
** Brought up by the gang while fighting about who should get tenure.
[[/folder]]
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