Total Nerd The Best Seasons of The Big Bang Theory  

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Ranking of the best seasons of The Big Bang Theory, listed from best to worst with poster images when available. People who are fanatics of the show have very strong opinions when it comes to choosing the best The Big Bang Theory season, which is exactly why this ranking of The Big Bang Theory seasons exists. Many fans of the show have voted on this list of the greatest The Big Bang Theory seasons, so this order isn't just the opinion of some random writer or blogger.

Some of the most memorable episodes of The Big Bang Theory come from different seasons, so picking the top season isn't easy. If your favorite season of The Big Bang Theory isn't high on the list, than vote it up so it has the chance to become number one.If you're asking yourself, "What is the best season of The Big Bang Theory?" or "Which season of The Big Bang Theory is the best?" then this list will answer your questions.

You can use this factual list to create a new list, re-rank it to fit your views, then share it with your Facebook friends, Twitter followers or with any other social networks you use on a regular basis.
The Big Bang Theory - Season 3 is listed (or ranked) 1 on the list The Best Seasons of The Big Bang Theory
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The Big Bang Theory - Season 3


The third season of The Big Bang Theory premiered on September 21, 2009 and contains 23 episodes. This season focuses on Penny's romantic relationship with Leonard and her budding friendship with Sheldon.

This season features several unforgettable episodes including "The Jiminy Conjecture," "The Wheaton Recurrence," and "The Lunar Excitation."

Memorable moments from Season 3 include:

- Penny kisses Leonard when he returns from the North Pole.
- Sheldon lets Wil Wheaton beat him in a Mystic Warlords of Ka'a tournament. 
- Stan Lee gets a restraining order against Sheldon.
The Big Bang Theory - Season 5 is listed (or ranked) 2 on the list The Best Seasons of The Big Bang Theory
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The Big Bang Theory - Season 5


The fifth season of The Big Bang Theory premiered on September 22, 2011 and contains 24 episodes. Throughout this season, Sheldon and Amy's relationship evolves and Penny and Leonard find themselves in familiar territory.

This season features several unforgettable episodes including: "The Skank Reflex Analysis," "The Infestation Hypothesis," and "The Good Guy Fluctuation."

Memorable moments from Season 5 include:

- Leonard demotes Sheldon from "friend" to "acquaintance".
- Amy gives Penny an awkward painting.
- Howard assists Stephen Hawking.
- Howard gets married before going to space.
The Big Bang Theory - Season 2 is listed (or ranked) 3 on the list The Best Seasons of The Big Bang Theory
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The Big Bang Theory - Season 2


The second season of The Big Bang Theory premiered on September 22, 2008 and contains 23 episodes. This season primarily focuses on the changing relationship of Leonard and Penny.

This season features several unforgettable episodes including: "The Cooper–Nowitzki Theorem," "The Killer Robot Instability," and "The Terminator Decoupling."

Memorable moments from Season 2 include:

- Leonard dates Leslie.
- Penny unknowingly accepts a virtual date with Howard.
- The guys ride a train with Summer Glau.
- The guys go on an Arctic expedition.
The Big Bang Theory - Season 4 is listed (or ranked) 4 on the list The Best Seasons of The Big Bang Theory
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The Big Bang Theory - Season 4


The fourth season of The Big Bang Theory premiered on September 23, 2010 and contains 24 episodes. This season focuses on the romantic relationships of the main characters.

This season features several unforgettable episodes including: "The Cruciferous Vegetable Amplification," "The Hot Troll Deviation," and "The Love Car Displacement."

Memorable moments from Season 4 include:

- Shelbot meets Steve Wozniak.
- Sheldon and Raj blow up their office.
- Leonard dates Raj's sister.
- Penny sleeps with Raj.