TV The Best Seasons of The Big Bang Theory  

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It's one of the funniest shows on TV, but what's the best season of The Big Bang Theory? When it first aired on CBS in 2007, nerds everywhere were excited that there was finally a sitcom they could relate to. It's hard to argue that Big Bang Theory isn't an amazing show, but which season is your favorite? The entire cast of the show was basically unknown during the early season of The Big Bang Theory, but now they are celebrities who make insane amounts of money just for one episode.

What season of The Big Bang Theory really had you hooked? Whether you liked the earlier seasons or the most recent one, vote up the top Big Bang Theory seasons and downvote any that you felt were a little dry.
The Big Bang Theory Season 2 is listed (or ranked) 1 on the list The Best Seasons of The Big Bang Theory
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The second season of The Big Bang Theory premiered on September 22, 2008, and contains 23 episodes. This season finds Penny becoming more intertwined in the world of Leonard and Sheldon.

This season features several unforgettable episodes including: "The Codpiece Topology," "The Cooper–Nowitzki Theorem," and "The Cushion Saturation."

Memorable moments:
- Sheldon and Raj play rock, paper, scissors, lizard, Spock
- Penny gives Sheldon the perfect Christmas gift
- The guys go on an expedition to the North Pole
The Big Bang Theory Season 3 is listed (or ranked) 2 on the list The Best Seasons of The Big Bang Theory
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The third season of The Big Bang Theory premiered on September 21, 2009, and contains 23 episodes. This season Penny and Leonard rekindle their romance as Sheldon finds an arch enemy in Wil Wheaton.

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

Memorable moments:
- Howard starts dating Bernadette
- Sheldon meets Amy
- Penny and Leonard split up
The Big Bang Theory Season 1 is listed (or ranked) 3 on the list The Best Seasons of The Big Bang Theory
Photo:  uploaded by Ranker TV

The first season of The Big Bang Theory premiered on September 24, 2007, and contains 17 episodes. This season introduces viewers to the show's brainy main characters, Sheldon and Leonard, and their next door neighbor, Penny.
 
This season features several unforgettable episodes including: "Pilot," "The Pancake Batter Anomaly," and "The Tangerine Factor."

Memorable moments:
- Sheldon loses his job
- Raj learns the secret to talking to women
- Penny and Leonard go on a date
The Big Bang Theory Season 5 is listed (or ranked) 4 on the list The Best Seasons of The Big Bang Theory
Photo:  uploaded by Ranker TV

The fifth season of The Big Bang Theory premiered on September 22, 2011, and contains 24 episodes. This season Sheldon and Amy embark on a romantic relationship as Leonard and Penny decide to give it another shot.

This season features several unforgettable episodes including: "The Skank Reflex Analysis," "The Russian Rocket Reaction," and "The Countdown Reflection."

Memorable moments:
- Howard and Bernadette get married
- Sheldon embraces the chaos
- Howard is launched into space