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The Big Bang Theory

S2 E13
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CBS
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Season 2  "The Friendship Algorithm"  2x13

Aired 15 years ago - Jan 19, 2009

Sheldon creates a scientific procedure for making friends.

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Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 1
Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 2
Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 3
Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 4
Sheldon Cooper.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 5
There was a fire on the bulletin board at the university.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 6
How do carbon atoms form a benzene ring?
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 7
1st warning.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 8
What is this?
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 9
Yeah, I agree. The social sciences are largely hokum.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 10
Java applet writing?
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 11
Wait! How many questions are on this thing?
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 12
Sheldon honey, did you ever consider making friends by being, I don't know, pleasant?
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 13
Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 14
Come on! There's over 200 questions.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 15
And your essay, suggesting that I'd have better luck making friends if I wait 'til the Cylons take over?
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 16
It's kinda cute.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 17
What I'm trying to say is that, maybe you can't approach this as a purely intellectual exercise.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 18
Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 19
I'm sure much of the research already exists.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 20
I'm going to acquire a book that summarizes the current theories in the field of friendmaking.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 21
My condolences.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 22
Okay, if you're gonna start sniffing people, I'm gonna go get a hot pretzel.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 23
Oh! I love trains!
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 24
Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 25
Oh! Here we go.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 26
Hardly makes her an expert in making friends, wouldn't you agree?
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 27
Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 28
Hi Rebecca, I'm your new friend, Sheldon.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 29
Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 30
Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 31
It's a terrific book. I've distilled its essence into a simple flowchart that would guide me through the process.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 32
Perhaps the two of us might share a meal together...
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 33
I bet we share some common interests.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 34
Tell me another interest of yours.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 35
What is wrong with you? Everybody likes monkeys.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 36
Gee. Why can't Sheldon make friends?
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 37
Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 38
He could talk while you drink.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 39
No one expects to see Hominids learning to use bones as weapeons.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 40
Come on, they have birthday parties here. Little kids climb this.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 41
Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 42
Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 43
What part of an inverse tangent function approaching an asymptote did you not understand?
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 44
Well, it's not exactly a plan but I think I'm going to pass out.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 45
1, 2, 1, 2, 3 and...
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 46
Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 47
That's where I sit.
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 48
Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 49
Maintaining five friendships promises to be a Herculean task. So...
 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 50

Or scroll and see one by one:

Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 2 #2 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 3 #3 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 4
Sheldon Cooper.
#4 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 5
There was a fire on the bulletin board at the university.
#5 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 6
How do carbon atoms form a benzene ring?
#6 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 7
1st warning.
#7 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 8
What is this?
#8 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 9
Yeah, I agree. The social sciences are largely hokum.
#9 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 10
Java applet writing?
#10 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 11
Wait! How many questions are on this thing?
#11 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 12
Sheldon honey, did you ever consider making friends by being, I don't know, pleasant?
#12 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 13 #13 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 14
Come on! There's over 200 questions.
#14 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 15
And your essay, suggesting that I'd have better luck making friends if I wait 'til the Cylons take over?
#15 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 16
It's kinda cute.
#16 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 17
What I'm trying to say is that, maybe you can't approach this as a purely intellectual exercise.
#17 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 18 #18 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 19
I'm sure much of the research already exists.
#19 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 20
I'm going to acquire a book that summarizes the current theories in the field of friendmaking.
#20 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 21
My condolences.
#21 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 22
Okay, if you're gonna start sniffing people, I'm gonna go get a hot pretzel.
#22 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 23
Oh! I love trains!
#23 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 24 #24 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 25
Oh! Here we go.
#25 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 26
Hardly makes her an expert in making friends, wouldn't you agree?
#26 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 27 #27 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 28
Hi Rebecca, I'm your new friend, Sheldon.
#28 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 29 #29 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 30 #30 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 31
It's a terrific book. I've distilled its essence into a simple flowchart that would guide me through the process.
#31 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 32
Perhaps the two of us might share a meal together...
#32 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 33
I bet we share some common interests.
#33 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 34
Tell me another interest of yours.
#34 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 35
What is wrong with you? Everybody likes monkeys.
#35 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 36
Gee. Why can't Sheldon make friends?
#36 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 37 #37 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 38
He could talk while you drink.
#38 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 39
No one expects to see Hominids learning to use bones as weapeons.
#39 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 40
Come on, they have birthday parties here. Little kids climb this.
#40 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 41 #41 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 42 #42 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 43
What part of an inverse tangent function approaching an asymptote did you not understand?
#43 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 44
Well, it's not exactly a plan but I think I'm going to pass out.
#44 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 45
1, 2, 1, 2, 3 and...
#45 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 46 #46 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 47
That's where I sit.
#47 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 48 #48 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 49
Maintaining five friendships promises to be a Herculean task. So...
#49 Recap of The Big Bang Theory Season 2 Episode 13 (S02E13) - 50 #50