TJ's Favourite Big Bang Theory Episode's

I thought I'd look back at some of my favourite & funniest episodes from the first 4 Seasons of 'The Big Bang Theory'.
In no particular (except in chronological episode order)
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1.
The Big Bang Theory (2007 TV Series)
Episode: The Big Bran Hypothesis (2007)
    1 2 3 4 5 6 7 8 9 10 8.5/10 X  
Penny is furious with Leonard and Sheldon when they sneak into her apartment and clean it while she is sleeping. (22 mins.)
 
2.
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.)
 
3.
The Big Bang Theory (2007 TV Series)
Episode: The Dumpling Paradox (2007)
    1 2 3 4 5 6 7 8 9 10 8.3/10 X  
When Howard hooks up with Penny's old friend, his absence in the gang causes problems for the rest of the guys. (22 mins.)
 
4.
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.)
“ This Episode would have to be one of my TOP 5 favourites ” - TeeJay86
 
5.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
Leonard and Sheldon's friendship is put to the test when Leonard wants to present a paper they co-authored at a physics convention, but Sheldon doesn't. (22 mins.)
 
6.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.3/10 X  
When Sheldon gets sick, Leonard, Howard and Raj go AWOL, leaving a reluctant Penny to deal with him. (22 mins.)
 
7.
The Big Bang Theory (2007 TV Series)
Episode: The Jerusalem Duality (2008)
    1 2 3 4 5 6 7 8 9 10 8.1/10 X  
Sheldon decides to give up his work and focus on other tasks when a 15-year-old prodigy joins the university, so the other guys come up with a plan to get rid of him. (22 mins.)
 
8.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.4/10 X  
Leonard, Howard and Raj fight over Sheldon's twin sister when she arrives in town. Raj takes part in a drug trial to suppress his selective mutism. (22 mins.)
“ This Episode would have to be one of my TOP 5 favourites ” - TeeJay86
 
9.
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.)
 
10.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.9/10 X  
Sheldon introduces Penny to online gaming, however she refuses to quit after becoming addicted. (22 mins.)
 
11.
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.)
 
12.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.4/10 X  
Sheldon is flattered when a graduate student takes a shine to him, however her extreme devotion becomes too much to handle. (22 mins.)
 
13.
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.)
“ This Episode would have to be one of my TOP 5 favourites ” - TeeJay86
 
14.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.3/10 X  
Leonard and Howard's friendship is jeopardised when Leonard steals a girl from Howard. (22 mins.)
 
15.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.3/10 X  
Sheldon believes that Leonard will wreck his relationship with Stephanie, so he decides to take matters into his own hands. (22 mins.)
 
16.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 7.9/10 X  
Leonard tries to slow down his relationship with Stephanie when he realizes that they are living together, while Sheldon becomes convinced that he has an untraceable disease. (22 mins.)
 
17.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 9.2/10 X  
Leonard is disappointed when Penny develops an interest in an attractive physicist at the university. Meanwhile, Sheldon struggles to find an appropriate Christmas gift for Penny. (22 mins.)
 
18.
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.)
 
19.
The Big Bang Theory (2007 TV Series)
Episode: The Maternal Capacitance (2009)
    1 2 3 4 5 6 7 8 9 10 9.0/10 X  
Sheldon hits it off with Leonard's psychoanalyst mother, but she drives Leonard and Penny to the bottle. (22 mins.)
 
20.
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.)
 
21.
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.)
 
22.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.4/10 X  
Penny becomes jealous when a gorgeous new neighbor attracts the guys' attention. (22 mins.)
 
23.
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.)
 
24.
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.)
 
25.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.5/10 X  
After returning from the North Pole, a conflict among the guys sends Sheldon back to Texas and interferes with Leonard's reunion with Penny. (22 mins.)
 
26.
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.)
 
27.
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.)
 
28.
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.)
 
29.
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.)
 
30.
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.)
 
31.
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.)
 
32.
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.)
 
33.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.6/10 X  
Sheldon wreaks havoc when he is stumped by a difficult physics question. (22 mins.)
“ This Episode would have to be one of my TOP 5 favourites ” - TeeJay86
 
34.
The Big Bang Theory (2007 TV Series)
Episode: The Pants Alternative (2010)
    1 2 3 4 5 6 7 8 9 10 8.5/10 X  
Sheldon seeks help from the rest of the gang in overcoming his fear of public speaking when he receives an award. (22 mins.)
“ This Episode would have to be one of my TOP 5 favourites ” - TeeJay86
 
35.
The Big Bang Theory (2007 TV Series)
Episode: The Spaghetti Catalyst (2010)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
Sheldon is forced to go behind Leonard's back to spend time with Penny following their breakup. (22 mins.)
 
36.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 7.9/10 X  
Sheldon is scared that he is in a relationship when Amy asks him to meet her mother, and Leonard asks Howard and Bernadette to set him up because he is the only person in the group without a girlfriend. (22 mins.)
 
37.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.1/10 X  
Leonard tries to keep everyone from finding out that he spent the night with Raj's sister, but Sheldon finds out and concocts an elaborate story to help him keep the secret from Raj. (22 mins.)
 
38.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
An FBI agent interviews the guys when Howard needs to obtain a security clearance. (22 mins.)
 
39.
The Big Bang Theory (2007 TV Series)
Episode: The Boyfriend Complexity (2010)
    1 2 3 4 5 6 7 8 9 10 8.6/10 X  
Penny asks Leonard to pose as her boyfriend when her father visits. Howard, Raj and Bernadette have an awkward encounter when they spend the evening together. (22 mins.)
 
40.
The Big Bang Theory (2007 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.8/10 X  
The guys enter a costume contest as members of the Justice League and convince Penny and Zack to join them. (22 mins.)
 
41.
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.)
 
42.
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.)
 
43.
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.)
 
44.
The Big Bang Theory (2007 TV Series)
Episode: The Agreement Dissection (2011)
    1 2 3 4 5 6 7 8 9 10 8.4/10 X  
When Priya finds a loophole in the roommate agreement to throw Sheldon out for the night, Penny, Amy and Bernadette take him to a nightclub. (22 mins.)
 
45.
The Big Bang Theory (2007 TV Series)
Episode: The Engagement Reaction (2011)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
Howard believes that his mom suffered a heart attack because he told her that he's marrying Bernadette, Sheldon freaks out over germs, and Penny and Priya bond. (22 mins.)