55 Best Big Bang Theory Episodes

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1.
The Big Bang Theory (2007 TV Series)
Episode: The Countdown Reflection (2012)
    1 2 3 4 5 6 7 8 9 10 8.6/10 X  
As Howard prepares for his mission into space, flashbacks show the recent events leading up to his and Bernadette's wedding. (22 mins.)
 
2.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 9.1/10 X  
Leonard tells Penny about how he and Sheldon became roommates and what happened to the elevator. (22 mins.)
 
3.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 9.0/10 X  
Penny is forced to turn to Sheldon for help when she dislocates her shoulder in the bathtub. Meanwhile, the rest of the guys accidentally get stoned in the desert while waiting for a meteor shower. (22 mins.)
 
4.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.7/10 X  
Raj moves in with Sheldon after hearing Leonard and Priya engage in a Star Trek fantasy in his apartment. Bernadette receives her doctorate. (22 mins.)
 
5.
The Big Bang Theory (2007 TV Series)
Episode: The Lunar Excitation (2010)
    1 2 3 4 5 6 7 8 9 10 8.7/10 X  
Penny has a night of angry, drunken sex with Leonard, much to his confusion. Meanwhile, Howard and Raj search for Sheldon's perfect match online. (22 mins.)
 
6.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.1/10 X  
When Stuart asks Amy on a date, Sheldon considers having a more serious relationship with her. Meanwhile, the guys become obsessed with a new card game involving Wild West heroes and witches. (22 mins.)
 
7.
The Big Bang Theory (2007 TV Series)
Episode: The Good Guy Fluctuation (2011)
    1 2 3 4 5 6 7 8 9 10 8.7/10 X  
Sheldon tries to get into the spirit of Halloween by trying to scare the guys after they prank him. Leonard seeks Penny's advice when an attractive comic book artist takes an interest in him. (22 mins.)
 
8.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.3/10 X  
Penny gets mad at the guys when their full scale model of a time machine causes her to miss work, which prompts Leonard to give up all of his nerd memorabilia. (22 mins.)
 
9.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.4/10 X  
Chaos ensues when the gang spend the weekend together at a science convention. (22 mins.)
 
10.
The Big Bang Theory (2007 TV Series)
Episode: The Stag Convergence (2012)
    1 2 3 4 5 6 7 8 9 10 7.9/10 X  
The guys throw Howard a bachelor party, and some embarrassing details about his life get posted on the Internet. (22 mins.)
 
11.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.4/10 X  
Sheldon and Amy secretly experiment on the gang by spreading rumors when they hear that Bernadette is thinking about breaking up with Howard. (22 mins.)
 
12.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.6/10 X  
The guys' friendship is threatened when they find a ring from the "Lord of the Rings" trilogy. (22 mins.)
 
13.
The Big Bang Theory (2007 TV Series)
Episode: The Jiminy Conjecture (2009)
    1 2 3 4 5 6 7 8 9 10 8.0/10 X  
Leonard and Penny's first night together goes awkwardly. Sheldon and Howard wager on the species of a cricket. (22 mins.)
 
14.
The Big Bang Theory (2007 TV Series)
Episode: The Euclid Alternative (2008)
    1 2 3 4 5 6 7 8 9 10 8.5/10 X  
Sheldon annoys the gang when Leonard can't drive him to and from work, so they try to teach him how to drive. (22 mins.)
 
15.
The Big Bang Theory (2007 TV Series)
Episode: The Thespian Catalyst (2011)
    1 2 3 4 5 6 7 8 9 10 8.0/10 X  
To improve his skills as an instructor, Sheldon asks Penny to give him acting lessons. Meanwhile, Raj begins having impure fantasies about Bernadette. (22 mins.)
 
16.
The Big Bang Theory (2007 TV Series)
Episode: The Vacation Solution (2012)
    1 2 3 4 5 6 7 8 9 10 7.8/10 X  
When the university forces Sheldon to use vacation days, he decides to hang out in Amy's lab. Howard becomes upset when he hears Bernadette wants him to sign a prenuptial agreement. (22 mins.)
 
17.
The Big Bang Theory (2007 TV Series)
Episode: The Weekend Vortex (2012)
    1 2 3 4 5 6 7 8 9 10 8.3/10 X  
Sheldon has to choose between joining Amy at her aunt's birthday party or playing videogames all weekend with the guys. (22 mins.)
 
18.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.4/10 X  
Sheldon misses an opportunity to get Stan Lee's autograph because he has to make an appearance in traffic court. (22 mins.)
 
19.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.7/10 X  
After being dumped by Leslie, Howard heads to Las Vegas with Leonard and Raj. Meanwhile, Penny is forced to take in Sheldon after he locks himself out of his apartment. (22 mins.)
 
20.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.4/10 X  
Penny's second date with Stuart has significant implications for Leonard. Howard enlists the guys' help with one of his NASA projects. (22 mins.)
 
21.
The Big Bang Theory (2007 TV Series)
Episode: The Cornhusker Vortex (2009)
    1 2 3 4 5 6 7 8 9 10 7.7/10 X  
Leonard tries to learn about football to fit in with Penny's friends. Meanwhile, a loss in a kite war threatens to end Raj and Howard's friendship. (22 mins.)
 
22.
The Big Bang Theory (2007 TV Series)
Episode: The Toast Derivation (2011)
    1 2 3 4 5 6 7 8 9 10 8.1/10 X  
Sheldon becomes concerned when everybody begins to hang out at Raj's apartment and discovers Leonard is the center of the group. (22 mins.)
 
23.
The Big Bang Theory (2007 TV Series)
Episode: The Pants Alternative (2010)
    1 2 3 4 5 6 7 8 9 10 8.6/10 X  
Sheldon seeks help from the rest of the gang in overcoming his fear of public speaking when he receives an award. (22 mins.)
 
24.
The Big Bang Theory (2007 TV Series)
Episode: The Maternal Congruence (2009)
    1 2 3 4 5 6 7 8 9 10 8.4/10 X  
Leonard's mother makes a visit to his dismay and Sheldon's delight. (22 mins.)
 
25.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.0/10 X  
Sheldon battles Kripke for a coveted office at the university. Penny receives a very unusual gift from Amy. (22 mins.)
 
26.
The Big Bang Theory (2007 TV Series)
Episode: The Gothowitz Deviation (2009)
    1 2 3 4 5 6 7 8 9 10 8.4/10 X  
Sheldon attempts to covertly alter Penny's habits, while Howard and Raj try their luck meeting women at a Goth-style club. (22 mins.)
 
27.
The Big Bang Theory (2007 TV Series)
Episode: The Luminous Fish Effect (2007)
    1 2 3 4 5 6 7 8 9 10 8.3/10 X  
Sheldon's mother is called to intervene when he delves into numerous obsessions after being fired for being disrespectful to his new boss. (22 mins.)
 
28.
The Big Bang Theory (2007 TV Series)
Episode: The Peanut Reaction (2008)
    1 2 3 4 5 6 7 8 9 10 8.5/10 X  
When Penny learns that Leonard has never had a birthday party, she and the rest of the guys plan a surprise party for him. (22 mins.)
 
29.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.4/10 X  
When Raj's parents set him up on a blind date, he finds he can talk to women with the aid of alcohol. (22 mins.)
 
30.
The Big Bang Theory (2007 TV Series)
Episode: The Gorilla Experiment (2009)
    1 2 3 4 5 6 7 8 9 10 8.6/10 X  
Sheldon attempts to help Penny understand physics to impress Leonard, while Howard becomes jealous when Bernadette takes an interest in Leonard's research. (22 mins.)
 
31.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.5/10 X  
Sheldon plans revenge after Kripke humiliates him on the radio. Howard develops doubts about his relationship with Bernadette. (22 mins.)
 
32.
The Big Bang Theory (2007 TV Series)
Episode: The Launch Acceleration (2012)
    1 2 3 4 5 6 7 8 9 10 8.3/10 X  
NASA cancel, and later reinstate Howard's mission into space, coinciding with his wedding. Leonard inadvertently jeopardizes his relationship with Penny. (22 mins.)
 
33.
The Big Bang Theory (2007 TV Series)
Episode: The Cushion Saturation (2009)
    1 2 3 4 5 6 7 8 9 10 8.3/10 X  
Howard hooks up with Leslie, while Penny accidentally ruins Sheldon's spot on the couch. (22 mins.)
 
34.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.6/10 X  
The guys are invited to Penny's Halloween party, where Leonard has yet another run-in with Penny's ex-boyfriend Kurt. (22 mins.)
 
35.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.8/10 X  
Penny plans revenge when Sheldon bans her from his and Leonard's apartment, while Howard and Raj use the latest technology to try to find the house being used in "America's Next Top Model." (22 mins.)
 
36.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.1/10 X  
Howard becomes depressed after Penny makes a cruel statement about his love life, while the rest of the guys prepare for a grudge killer robot duel against an obnoxious colleague at the university. (22 mins.)
 
37.
The Big Bang Theory (2007 TV Series)
Episode: The Friendship Algorithm (2009)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
Sheldon tries to make friends with Kripke in the hope that it will get him access to a coveted computer at the university. (22 mins.)
 
38.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
When Leonard is offered a trip to Switzerland on Valentine's Day to visit the CERN laboratory, Sheldon uses any and all means to be his guest instead of Penny. (22 mins.)
 
39.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.4/10 X  
Leonard moves in with Penny after a fight with Sheldon, which causes Amy to want to move in with Sheldon. Meanwhile, Raj has a frightening experience with Howard's mother. (22 mins.)
 
40.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.4/10 X  
On a train to San Francisco, Howard, Raj and Leonard fight for the affections of sci-fi star Summer Glau, while Sheldon is forced to turn to Penny for help when he leaves his flash drive behind. (22 mins.)
 
41.
The Big Bang Theory (2007 TV Series)
Episode: The Pirate Solution (2009)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
When Raj has to find a new job or be sent back to India, Sheldon's solution leaves Leonard and Penny dealing with Howard as the third wheel. (22 mins.)
 
42.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
While Raj plans Stuart's Halloween party at the comic book store, Howard annoys the rest of the gang by constantly talking about space, and Penny tries to take more of an interest in Leonard's work. (22 mins.)
 
43.
The Big Bang Theory (2007 TV Series)
Episode: The Zarnecki Incursion (2011)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
The guys go all out to help Sheldon find the person responsible for hacking his online gaming account, while the girls' hatred for Priya increases. (22 mins.)
 
44.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
The gang deal with the fallout from Penny and Raj's night together. Amy counsels Penny when she considers moving back to Nebraska, Bernadette confronts Raj about his crush on her, and Sheldon takes charge of the paintball team. (22 mins.)
 
45.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.0/10 X  
Sheldon is forced to work with Kripke on a project and must concoct an elaborate lie when he can't hold up his end of the work. Howard and Raj get superhero figurines made of themselves. (22 mins.)
 
46.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.1/10 X  
Bernadette makes Howard choose between herself and his mother, while Penny and Raj become upset when Priya returns to town and resumes her relationship with Leonard. (22 mins.)
 
47.
The Big Bang Theory (2007 TV Series)
Episode: The Hawking Excitation (2012)
    1 2 3 4 5 6 7 8 9 10 8.7/10 X  
Sheldon uses any and all means to meet his hero, Dr. Stephen Hawking. (22 mins.)
 
48.
The Big Bang Theory (2007 TV Series)
Episode: The 43 Peculiarity (2012)
    1 2 3 4 5 6 7 8 9 10 8.6/10 X  
Leonard feels threatened after hearing about Penny's study partner at school, while Howard and Raj become determined to find out one of Sheldon's secrets. (22 mins.)
 
49.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 7.5/10 X  
Leonard confronts the man who bullied him in high school, while Penny realizes she did her fair share of tormenting in the past. (22 mins.)
 
50.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.1/10 X  
Sheldon gets Alex to buy a Valentine's Day gift for Amy. Leonard and Penny and Howard and Bernadette have a disastrous dinner together. Raj and Stuart host a "Lonely People" party at the comic book store. (22 mins.)
 
51.
The Big Bang Theory (2007 TV Series)
Episode: The Monopolar Expedition (2009)
    1 2 3 4 5 6 7 8 9 10 8.4/10 X  
Penny gets upset when she finds out Leonard and the guys plan to work at the North Pole for the summer. (22 mins.)
 
52.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.1/10 X  
Howard becomes upset when Sheldon finds a letter from his estranged father whilst cleaning out his and Bernadette's closet. (22 mins.)
 
53.
The Big Bang Theory (2007 TV Series)
Episode: The Pirate Solution (2009)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
When Raj has to find a new job or be sent back to India, Sheldon's solution leaves Leonard and Penny dealing with Howard as the third wheel. (22 mins.)
 
54.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
Leonard and Sheldon try to help out Penny when she can't afford to pay her rent. (22 mins.)
 
55.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
Howard tries to bond with Bernadette's father during a fishing trip. When Sheldon is obligated to take care of a sick Amy, she finds ways to take advantage of the situation. (22 mins.)