The Big Bang Theoryremains as pop as it was during its prime in the first half of the 2010s . rank amongHBO Max ’s unspoiled shows , Big Bangis one of the last examples of the laugh track sitcom and one of web television ’s last significant hits before cyclosis conduct over the business . The show starred an ensemble cast of characters led by Jim Parsons , Johnny Galecki , and Kaley Cuoco and travel along the adventures of a radical of extremely intelligent but socially inapt scientist living in Pasadena .

Critically and commercially successful , The Big Bang Theoryis already a forward-looking classic . The show like an expert combine skill with comedy , creating a unique brand of humour that helped cement it as a bonafide hitting . large Bangembraced swot finish and redefine what it meant to be a “ geek , ” with many of its most memorable bit showcasing some crucial view of pop music culture . self-aggrandizing Banghas many unforgettable episode — how could it not when it went on for 12 season , add a whopping 279 episodes — but its most iconic efforts digest out because of their everlasting mix of intelligence agency , inwardness , and mood .

10. The Earworm Reverberation

Sheldon and Amy are one of television ’s most beloved couples . The span went through many highs and lows throughout their human relationship , principally due to Sheldon ’s quirks . Their break - up in the season 8 finale get off fans into a summer of mourning , and their eventual reunion during the season 9 episodeThe Earworm Reverberationrestored their religious belief in erotic love .

The plot pertain Sheldon as he becomes obsess with a Song dynasty he ca n’t identify . finally , he remember it ’s The Beach Boy’sDarlin’and realizes it ’s about his feelings for Amy , prompt him to apologize and successfully restore their relationship . The episode features other plots , but no one worry about those . It ’s all about Shamy , and the instalment is one of their finest moments , proving everything is near when The Beach Boys are involved .

9. The Hawking Excitation

The lateStephen peddle was a crucial part ofThe Big Bang Theory . As Sheldon ’s hero , hawk was often mentioned by the group of scientist . He made his debut on the show during time of year 5’sThe Hawking Excitation , in which Howard works alongside him , remind Sheldon to try and ensure a merging to show him his latest paper . remove the throat only has one scene at the end of the episode , but it ’s all he necessitate to make an impression .

The rest period of the sequence concerns Sheldon humble himself to convince Howard to introduce him to Hawking . The apparatus is nothing newfangled — Howard cook Sheldon do tasks for him , include making him wear a French maid ’s getup to lick . It ’s always good to see Sheldon have a penchant of his own medicine , and see Howard get his revenge for eld of mistreatment is somewhat cathartic .

8. The Justice League Recombination

The guys fromThe Big Bang Theoryare sports fan of all amusing ledger , but they have a voiced spot for DC Comics . During season 4 ’s Halloween episode , The Justice League Recombination , they crop up asDC ’s most knock-down charactersto attend Stuart ’s company at the comic Holy Writ store . The obsessive Sheldon insists that Penny ’s Modern boyfriend , the dimwitted Zach , joins them as Superman , much to Leonard and Penny ’s discomfort .

Most of the episode ’s laughter come in from the group ’s ridiculous costumes , including Raj ’s empty-headed Aquaman case and cent ’s lazy take on Wonder Woman . The Penny / Leonard dynamic is front and inwardness , but the episode ’s highlight is thefantasy sequencein which Sheldon envisage himself as the Flash running to the Grand Canyon to vent his frustrations against Leonard .

7. The Opening Night Excitation

follow Sheldon and Amy reach such an important milestone was unbelievable , especially for fans who had find their family relationship from the beginning . The atomic number 5 - plot , which interest the rest of the guys ’ anxiousness at the premiere ofThe Force Awakens , is mirthful enough , but the Shamy plot line is the episode ’s beating heart and the cause why it ’s such an iconic chapter inThe Big Bang Theory‘s history .

6. The Prom Equivalency

The bestBig Bangepisodes were the ones that made full use of its stellar form . The Prom Equivalenceis the perfect example , as it utilise a promenade to frame the episode ’s action mechanism , thus allowing every major couple to shine with an individual storyline .

Shamy say their first “ I sleep together you , ” while Howard and Bernadette find themselves in an sticky and unexpected position with Stuart ’s date . However , it ’s Leonard and Penny who have the installment ’s just storyline , as the promenade setting allows them to display the good face of their relationship . Leonard and Penny often get trash - talked by fans who think their relationship is toxic , butThe Prom Equivalencyproves they are actually a great couple , against all betting odds and despite appearance .

5. The Love Car Displacement

Another sequence that makes brilliant use of the show ’s ensemble , The Love Car Displacementis arguably the first episode that fully and successfully integrates Amy and Bernadette into the gang ’s dynamic . The plot centers on a trip to a normal and the ensuing shenanigans .

The Love Car Displacementis the highlight of time of year 4 and one of the all - clock time respectable episodes ofThe Big Bang Theory . Although most of the episode is run - of - the - grind , the 2nd - to - last setting — an extended sequence that features all main characters interact in a disorderly panel — is one of the show ’s funniest moments . It showcases every character , displaying their unique traits and building up to a uproarious ratiocination that will have fans roaring with laugh .

4. The Adhesive Duck Deficiency

time of year 3 ofThe Big Bang Theoryis arguably the best . It features the first and healthiest iteration of Penny and Leonard ’s love affair and the former stages of two of the show ’s most of import pairings : Howard and Bernadette ’s relationship and Penny and Sheldon ’s friendship .

The Adhesive Duck Deficiencyfeatures two major storylines . One , which sees Leonard , Howard , and Raj going camping , is genuinely awful . However , the second and most important one features Penny dislocating her shoulder , ram Sheldon to drive her to the hospital . The moral force between both characters is the stuff of sitcom heaven , with cent spending most of the sequence playing serious ( wo)man to Sheldon ’s antics . The final sceneinvolves a drugged Penny singing “ Soft Kitty ” with Sheldon , a moment that has become one ofBig Bang‘s most iconic .

3. The Precious Fragmentation

Widely debate one ofthe all - time good movie trilogy , The Lord of the Rings play a crucial role inThe Big Bang Theory . The guy be intimate and rewatch it constantly — Leonard even clothes up as Frodo during season 1 ’s Halloween instalment . The trilogy is so important to the role that it plays a big role in several storylines . However , its most famous role is in time of year 3’sThe Precious Fragmentation .

The episode follows the bozo discovering a replica of the One Ring , supposedly used during the trilogy ’s cinematography . They descend into a chaotic contest to see who will keep it , leading to amemorable sequencein which Sheldon sees himself as Gollum in the mirror . The intact episode is hilarious , feature the guys at their absolute nerdiest , slowly succumbing to the One Ring ’s influence .

2. The Bath Item Gift Hypothesis

Jim Parsons earned his first Emmy nomination for season 2 ’s The Bath Item Gift Hypothesis . Already a legendary instalment ofBig Bang , The Bath Item Gift Hypothesissees Penny give Sheldon a Christmas gift , forcing the notoriously anal scientist to purchase something of equal value to reciprocate . Sheldon corrupt multiple gift baskets , which he then proceeds to gift to Penny upon discovering her natural endowment to him is a signed John Hancock from Leonard Nimoy .

Parsons is an incredibly gifted physical comedian , and his reaction to fancy the John Hancock is a comedic victory . The full chronological succession is screaming , and the check thatThe Big Bang Theoryowed its success to Sheldon . Many scene conform to in the subsequent eld , each showcasing different aspects of Sheldon ’s quirks . However , his endowment - yield scene arguably remain his finest minute .

1. The Scavenger Vortex

Season 5’sThe Scanvenger VortexisThe Big Bang Theoryat its utter good . The plot sees Raj devise a magpie hunt to entertain his notoriously crabbed friends , prognosticate a gold coin to the winning pair . The show takes the characters out of their comfort zona , come up up with some improbable but urge pairings and utilizing the cast of characters to its fullest .

Between the unexpected bond between Amy and Howard and the tight - game yet hysterical dynamic between the meek Leonard and the uber - competitive Bernadette , The Scavenger Vortexis the show ’s okay time of day . Every character experience a probability to shine , and the show ’s wit express joy along with them rather than at them — something that would become increasingly rarefied in future seasons . The Scavenger VortexisThe Big Bang Theory‘s best installment , if only because of how neat it is to see this group of champion descending into madness over the view of a gold coin ,