Star Wars

Star Wars is a vast science fiction franchise which started when film maker George Lucas released the film "Star Wars" in 1977. It is one of the most commercially successful films of all time (by number of tickets sold, i.e. after ticket price inflation adjustment it would be among the all-time highest-grossing). Since then there has been made a large variety of movies, books, animated TV shows, video games and other media/merchandise. The guys often refer to the Star Wars franchise (such as its plots, characters and weapons). Although, the gang makes references to Star Trek more often. Penny, who is not as sci-fi fluent as her friends, often uses Star Wars as her first guess during games. And when she knows about Star Wars trivia, she asks herself, "Why do I know that?". Since Star Wars and CBS (Big Bang Theory's network) are both owned by 20th Century Fox (now 20th Century Studios), references to Star Wars can go much further than most other referenced material such Professor Proton's Jedi ghost effects being done by Lucasfilm, The Walt Disney Company and Industrial Light and Magic, and being able to use the Star Wars theme and logo style for the cold open of The Opening Night Excitation.
==Episodes==
In the "Pilot Episode" (S01E01), Sheldon mentions Leonard's Star Wars hair products that are in the shower which their new neighbor Penny is using.
In "The Loobenfeld Decay" (S01E10), Howard calls Sheldon Chewbacca, Leonard Han Solo and Raj Princess Leia.
In "The Jerusalem Duality" (S01E12), due to Sheldon not liking Dennis Kim, he talks about a disturbance in the force and Leonard talks like Yoda.
In "The Euclid Alternative" (S02E05), Sheldon buys Star Wars bed sheets, but finds the sheets too stimulating to sleep, remarking that he is uncomfortable with how Darth Vader "stares at him".
In "The Lizard-Spock Expansion" (S02E08), Sheldon refuses to watch the Clone Wars TV series with Leonard until he sees the movie. Leonard protests, but Sheldon suggests they decide with a game of Rock Paper Scissors Lizard Spock, so he just gives Sheldon the remote, who then changes the channel.
In "The Killer Robot Instability" (S02E12), Raj references Jedi Mind-Tricks while taunting Sheldon's inability to influence Barry Kripke into backing down.
In "The Maternal Capacitance" (S02E15), Raj and Howard make fun of the fact that Leonard's younger siblings are far more successful than him, comparing him to Jar Jar Binks, followed by the two mocking him with Gungan accents.
In "The Dead Hooker Juxtaposition" (S02E19), Sheldon attempts to mimic Admiral Ackbar's famous line from "Return of the Jedi"; "Ah, it's a trap!". He tells Penny to imagine him with a squid head; however, Ackbar's species, the MonCalamari, are based on amphibious fish. Their neighbors on their home-planet Dac, the Quarren, are based on squid.
In "The Vegas Renormalization" (S02E21), Raj and Howard compare C-3PO to Sheldon, as they share many traits; however, Sheldon does not believe he has any resemblance to the droid. Later, when Sheldon is trying to find his key, he hums a Star Wars theme song. Later, Penny is playing twenty questions with Sheldon, is confused and guesses "Are you Star Wars?"
In "The Monopolar Expedition" (S02E23), Sheldon references The Battle of Hoth when Han Solo cut open his deceased Tauntaun mount and used it for a heat source, saving Luke Skywalker from freezing to death. An irritated Howard suggests cutting open Sheldon and doing the same, prompting Leonard to restrain him.
In "The Electric Can Opener Fluctuation" (S03E01), Leonard claims that when Sheldon is upset, he puts on his Darth Vader helmet and tries to choke Leonard to death with the Force. Later at work, Sheldon tries to Force-Choke Raj, feeling bad for Sheldon, Raj pretends it works.
In "The Creepy Candy Coating Corollary" (S03E05), Sheldon taunts Will Wheaton by saying that his current card deck would be about as much help as an air conditioner on the ice planet Hoth.
In "The Large Hadron Collision" (S03E15), Sheldon references Anakin Skywalker's betrayal to the Jedi order, and his transformation into Darth Vader.
In "The Excelsior Acquisition" (S03E16), Raj is wearing a shirt that plays sound bytes and walks around the Comic Book Store playing "The Imperial March" from Star Wars.
In "The Wheaton Recurrence" (S03E19), Penny quotes Yoda to Leonard while in bed and correctly identifies the movie it came from though Leonard also gets it wrong.
In "The Cruciferous Vegetable Amplification" (S04E02), Howard keeps making Star Wars droid jokes (i.e. C3PO) when Sheldon is using his Mobile Virtual Presence Device (MVPD), e.g.; Howard calls Sheldon "R2-D2", and threatens to sell him to Jawas on Tatooine.
In "The Zazzy Substitution" (S04E03), Leonard refers to their group of friends as the Rebel Alliance, but Sheldon prefers the Galactic Empire.
In "The Hot Troll Deviation" (S04E04), Sheldon sarcastically states that Star Wars I: Phantom Menace is a timeless classic, implying he dislikes the first three movies, and prefers the Original Trilogy (IV-VI). Howard has two exact-replica green lightsabers above his bed, these are also seen in, The Pulled Groin Extrapolation, and The Russian Rocket Reaction. He also has a Princess Leia statue. 
In "The Irish Pub Formulation" (S04E06), Sheldon tells Leonard that he is too short to be Darth Vader, saying he would make a better Ewok.
In "The 21-Second Excitation" (S04E08), they note that they should go see Raiders of the Lost Ark before it gets changed like George Lucas keeps doing to the Star Wars pictures. Jar Jar Binks from Episodes 1 - 3 is also mimicked a couple of times during the episode with Wil Wheaton doing it once.
In "The Justice League Recombination" (S04E11), one of the people at the costume party is dressed as a Stormtrooper from Star Wars IV-VI.
In "The Thespian Catalyst" (S04E14), Howard refers to Darth Vader planning to construct the Death Star; however, this statement is incorrect, as it was Darth Sidious who ordered the construction of the Death Star, Darth Vader simply utilized it.
In "The Herb Garden Germination" (S04E20), there is a poster in Sheldon's bathroom depicting some of the best known bounty hunters in the Star Wars Original Trilogy, including Boba Fett, Greedo, and Dengar.
In "The Russian Rocket Reaction" (S05E05), Sheldon taunts Leonard's "betrayal" by saying if he were Obi-Wan he would have said "Excuse me, Mr. Stormtrooper, these ARE the droids your looking for." Leonard argues that he is just going to Wil Wheaton's party, not turning R2-D2 & C-3PO over to The Empire.
In "The Good Guy Fluctuation" (S05E07), some Star Wars action figures are seen behind Leonard when he first talks to Alice; an ARC Trooper, & Aura Sing.
In "The Isolation Permutation" (S05E08), Sheldon is making a model of the Death Star out of LEGO.
In "The Ornithophobia Diffusion" (S05E09), Leonard rents a Star Wars movie on Blu-ray, Sheldon wants to watch Star Wars, but is distracted by a blue jay. When he tries to scare the bird with a broom, Sheldon puts on a Boba Fett helmet.
In "The Flaming Spittoon Acquisition" (S05E10), there is a figurine of Princess Leia, and Aura Sing in the comic book store when Dale tells Leonard he doesn't know how to make change for returns.
In "The Beta Test Initiation" (S05E14), Penny hides Leonard's Star Wars socks while they are at the Emergency Room.
In "The Friendship Contraction" (S05E15), when Sheldon wakes up Leonard for the "apocalypse drill", a stormtrooper figurine can be seen on his nightstand. Leonard uses a lightsaber as a light source during a blackout.
In "The Weekend Vortex" (S05E19), the guys are playing the Star Wars online game Star Wars: The Old Republic all weekend. Amy accidently says they are playing a Star Trek game. Penny corrects her that the guys don't like them being mixed up. Amy asks what the difference is and Penny claims that there is no difference.
In "The Hawking Excitation" (S05E21), people thought Sheldon's Stephen Hawking costume was R2-D2.
In "The Launch Acceleration" (S05E23), Penny parodies Darth Vader's famous line "I am your father!" When she inhales a voice-deepening gas.
In "The Date Night Variable" (S06E01), when Raj goes to the comic book store, there is a poster of C-3PO, a Chewbacca coffee mug, and a display case full of clone action figures.
In "The Extract Obliteration" (S06E05), Sheldon tries to use a Jedi mind trick to make Stephen Hawking play a game with him. Hawking aborted the game because Sheldon was winning.
In "The Cooper/Kripke Inversion" (S06E14), Sheldon plays the Imperial March, calling it his "I am unhappy and want to destroy the planet" song. He also wears an afghan blanket over his head making him look like Darth Sidious.
In "The Proton Displacement" (S07E07), Raj makes Howard a lightsaber belt buckle as a way of apologizing for the way he treated Howard when they were with: Amy, Bernadette and Penny. Initially, Howard was impressed. The lightsaber would even light up; however, when he found that Raj had one, and when Raj said "we can have little sword fights whenever we want", Howard Wolowitz's Bedroom is annoyed.
In "The Hesitation Ramification" (S07E12), after Penny's scene on "NCIS" is cut from her episode, Leonard finds an internet audition offer for the new Star Wars film (The Force Awakens.) Unfortunately it's for fans and not a professional audition. To make her feel better he uses a Star Wars analogy (Luke Skywalker having only one chance to destroy the Death Star); however, Penny doesn't really want it. Part of Howard's Star Wars audition taping session is also shown.
In "The Occupation Recalibration" (S07E13), When Bernadette visits Stuart, there are action figures of Darth Maul, Darth Vader on display, and two models of Darth Sidious on his throne. When Bernadette and Stuart go to the other comic book store there is a display of several Star Wars characters; Darth Malgus, Darth Maul, Asajj Ventress, Captain Rex, Stormtrooper, Chewbacca, Shaak Ti and a life-size statue of C-3PO. Penny tricks Sheldon into doing yoga by making him think she said "Yoda". When Bernadette returns to Jesse's comic book store an Imperial Guard statuette can be seen on the shelf, and a Yoda figurine is standing on the cash register.
In "The Convention Conundrum" (S07E14), Sheldon goes to ask James Earl Jones to appear in his own Comic-Con. He spends the evening with him and ends up having an amazing evening with Jones, and even got to pull a prank on Carrie Fisher.
In "The Friendship Turbulence" (S07E17), Sheldon says he is still mad about Howard calling him C-3PO in "The Vegas Renormalization".
 
In “The Proton Transmogrification” (S07E22), the gang celebrates Star Wars Day with Sheldon, Howard, and Raj watching all the Star Wars movies and Bernadette and Amy making a Death Star cake. When Professor Proton dies, he comes to Sheldon in a dream and then magically is dressed as Obi-Wan Kenobi when Sheldon tells him about Star Wars. At the end, the whole gang celebrates Star Wars Day.
Various Star Wars references were made in "The Skywalker Incursion", when Leonard and Sheldon dropped by Skywalker Ranch to meet George Lucas.
In “The Platonic Permutation” (S09E09), Penny reads from Leonard's journal and finds out he wrote that he is so excited for the new Star Wars movie.
In “The Opening Night Excitation” (S09E11), The guys are going to see the new Star Wars movie, The Force Awakens. Leonard, Howard, and Raj go while Sheldon celebrates Amy's birthday with her. The three invite Wil to come with them since Sheldon isn't coming. The four end up enjoying the movie, with Leonard, Howard, and Raj shell-shocked and amazed afterwards. Sheldon and Amy saw it several days later and both loved it. Wil wore an original Star Trek series science officer's uniform to the movie.
In "The Celebration Reverberation" (S11E11), The guys go to The Last Jedi, but because Raj is mad at Howard he gave Howard's ticket to Stuart.
In "The Bow Tie Asymmetry" (S11E24), compared with Star Trek, both members of actors appear on Sheldon and Amy's wedding.
In "The VCR Illumination" (S12E10), Sheldon remembers watching Star Wars all the day where he is a fan today.
== Pictures ==
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