Entertainment The Best Episodes From The Big Bang Theory Season 2  

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256 votes 28 voters 23 items

There are so many great episodes of The Big Bang Theory in season 2, but which are your absolute favorite? This list ranks every episode of The Big Bang Theory season 2 from the best to worst, with the help of your votes.

The second season of The Big Bang Theory premiered on September 22, 2008, and consisted of 23 episodes. Season 2 of The Big Bang Theory picks up right after the first finale where Penny and Leonard have a date. The season received three Emmy nominations, including Jim Parsons's first for "Outstanding Lead Actor in a Comedy Series."

Which The Big Bang Theory season 2 episode did you like better, "The Financial Permeability" or "The Euclid Alternative"? Vote up the best episodes from The Big Bang Theory season 2 that you'd like to see at the top of the list.

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list ordered by
1
18 1
The Bath Item Gift Hypothesis is listed (or ranked) 1 on the list The Best Episodes From The Big Bang Theory Season 2
Dec 15 2008
Penny starts dating Leonard's handsome colleague; Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.
2
11 1
The Bad Fish Paradigm is listed (or ranked) 2 on the list The Best Episodes From The Big Bang Theory Season 2
Sep 22 2008
Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.
3
10 1
The Panty Piñata Polarization is listed (or ranked) 3 on the list The Best Episodes From The Big Bang Theory Season 2
Nov 10 2008
When Sheldon bans Penny from the apartment for numerous minor infractions, she decides to retaliate.
4
10 1
The Work Song Nanocluster is listed (or ranked) 4 on the list The Best Episodes From The Big Bang Theory Season 2
Mar 16 2009
Penny's home business turns into a complete nightmare when Sheldon takes over.
5
13 4
The Hofstadter Isotope is listed (or ranked) 5 on the list The Best Episodes From The Big Bang Theory Season 2
Apr 13 2009
A fellow comic book enthusiast's hitting on Penny leads to Leonard and Howard going to a bar's Ladies' Night.
6
9 1
The Barbarian Sublimation is listed (or ranked) 6 on the list The Best Episodes From The Big Bang Theory Season 2
Oct 06 2008
Sheldon creates a monster when he introduces Penny to online gaming.
7
8 1
The Dead Hooker Juxtaposition is listed (or ranked) 7 on the list The Best Episodes From The Big Bang Theory Season 2
Mar 30 2009
Penny squares off with a new beautiful female neighbor who may become the building's "new Penny."
8
9 2
The Euclid Alternative is listed (or ranked) 8 on the list The Best Episodes From The Big Bang Theory Season 2
Oct 20 2008
Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.
9
9 2
The Cushion Saturation is listed (or ranked) 9 on the list The Best Episodes From The Big Bang Theory Season 2
Mar 02 2009
A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.
10
8 2
The Terminator Decoupling is listed (or ranked) 10 on the list The Best Episodes From The Big Bang Theory Season 2
Mar 09 2009
"The Terminator Decoupling" is an episode of the United States television series The Big Bang Theory that first aired on CBS on March 9, 2009. It is the seventeenth episode of the ...more
11
9 3
The Financial Permeability is listed (or ranked) 11 on the list The Best Episodes From The Big Bang Theory Season 2
Feb 02 2009
Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.
12
9 3
The Monopolar Expedition is listed (or ranked) 12 on the list The Best Episodes From The Big Bang Theory Season 2
May 11 2009
The guys' plan to work over the summer at the North Pole makes Penny revaluate her feelings for Leonard.
13
8 4
The Vegas Renormalization is listed (or ranked) 13 on the list The Best Episodes From The Big Bang Theory Season 2
Apr 27 2009
Leonard and Koothrappali escort a heartbroken Wolowitz to Las Vegas, and Sheldon becomes locked out of his apartment and must stay with Penny.
14
7 3
The Killer Robot Instability is listed (or ranked) 14 on the list The Best Episodes From The Big Bang Theory Season 2
Jan 12 2009
Penny's criticism of Wolowitz's romantic life pushes him into depression and AWOL for a fighting robot battle the rest of guys are depending on him for.
15
6 3
The Lizard-Spock Expansion is listed (or ranked) 15 on the list The Best Episodes From The Big Bang Theory Season 2
Nov 17 2008
Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.
16
6 3
The Codpiece Topology is listed (or ranked) 16 on the list The Best Episodes From The Big Bang Theory Season 2
Sep 29 2008
A jealous Leonard reacts to Penny's new guy by rebounding with Leslie.
17
6 4
The Friendship Algorithm is listed (or ranked) 17 on the list The Best Episodes From The Big Bang Theory Season 2
Jan 19 2009
Sheldon creates a scientific procedure for making friends.
18
5 4
The Griffin Equivalency is listed (or ranked) 18 on the list The Best Episodes From The Big Bang Theory Season 2
Oct 13 2008
Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.
19
4 4
The Classified Materials Turbu... is listed (or ranked) 19 on the list The Best Episodes From The Big Bang Theory Season 2
May 04 2009
Penny's second date with Stuart sees her making a comment that gives Leonard new hope for a relationship with her. Wolowitz realizes there's a crucial error in a NASA project he's working on.
20
4 5
The White Asparagus Triangulat... is listed (or ranked) 20 on the list The Best Episodes From The Big Bang Theory Season 2
Nov 24 2008
Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.
21
5 7
The Vartabedian Conundrum is listed (or ranked) 21 on the list The Best Episodes From The Big Bang Theory Season 2
Dec 08 2008
Leonard asks Penny for advice when his new relationship starts moving too fast.
22
3 7
The Cooper-Nowitzki Theorem is listed (or ranked) 22 on the list The Best Episodes From The Big Bang Theory Season 2
Nov 03 2008
Sheldon and the gang are confused when a young grad student is attracted to him.
23
4 9
The Maternal Capacitance is listed (or ranked) 23 on the list The Best Episodes From The Big Bang Theory Season 2
Feb 09 2009
Leonard and Penny are drawn together after a disastrous visit from Leonard's mother.