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The Big Bang Theory

S4 E10
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Ended
Network
CBS
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Season 4  "The Alien Parasite Hypothesis"  4x10

Aired 13 years ago - Dec 09, 2010

Amy finds she has sexual feelings for Penny's ex, while Koothrappali and Wolowitz try to prove who would be the better superhero.

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Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 1
Couldn't you just fool around with him and then listen to NPR?
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 2
Hoo.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 3
Oh, we know what's causing that, don't we?
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 4
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 5
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 6
No, he got five stitches and a tetanus shot.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 7
Who wouldn't?
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 8
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 9
Leonard, settle this, of the two of us, who's the obvious sidekick?
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 10
Aren't you slicing that man's brain a little too thin?
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 11
...it's fine.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 12
Thank you.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 13
No, I experienced distressing symptoms last night...
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 14
What were the symptoms?
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 15
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 16
Carbonated, as it was a special occasion.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 17
All right, let's start over.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 18
There was no question, I simply said, "Hoo."
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 19
...hosting an alien parasite...
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 20
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 21
No, something very specific that we both know you...
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 22
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 23
What if the Earth was in danger and the only way to save it...
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 24
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 25
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 26
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 27
Are you sure? You said that with the testy bark of an old biddy.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 28
Let's look at this logically. I have a stomach, I get hungry.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 29
- Religion? - Star Trek.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 30
...he suppresses them, using the Vulcan mental discipline of Kolinahr.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 31
Using Kolinahr to suppress my anger at that last comment.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 32
I hadn't considered that. Give me a moment.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 33
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 34
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 35
If this one under or over-softens, I'll need time to make things right.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 36
I might have to let her go.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 37
I'm just gonna skip over that insult.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 38
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 39
I'm suggesting there might be something you could do...
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 40
Yeah, that's not what I had in mind.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 41
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 42
Is this the Zack Johnson who used to have coitus with my neighbor Penny?
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 43
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 44
Yes, that does sound like a girl's name.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 45
Yes, that is a girl's name.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 46
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 47
- I don't think this wrestling has a bell. - How do you wanna start?
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 48
Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 49
Don't yell at me.
 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 50

Or scroll and see one by one:

Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 2
Hoo.
#2 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 3
Oh, we know what's causing that, don't we?
#3 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 4 #4 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 5 #5 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 6
No, he got five stitches and a tetanus shot.
#6 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 7
Who wouldn't?
#7 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 8 #8 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 9
Leonard, settle this, of the two of us, who's the obvious sidekick?
#9 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 10
Aren't you slicing that man's brain a little too thin?
#10 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 11
...it's fine.
#11 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 12
Thank you.
#12 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 13
No, I experienced distressing symptoms last night...
#13 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 14
What were the symptoms?
#14 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 15 #15 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 16
Carbonated, as it was a special occasion.
#16 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 17
All right, let's start over.
#17 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 18
There was no question, I simply said, "Hoo."
#18 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 19
...hosting an alien parasite...
#19 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 20 #20 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 21
No, something very specific that we both know you...
#21 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 22 #22 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 23
What if the Earth was in danger and the only way to save it...
#23 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 24 #24 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 25 #25 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 26 #26 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 27
Are you sure? You said that with the testy bark of an old biddy.
#27 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 28
Let's look at this logically. I have a stomach, I get hungry.
#28 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 29
- Religion? - Star Trek.
#29 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 30
...he suppresses them, using the Vulcan mental discipline of Kolinahr.
#30 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 31
Using Kolinahr to suppress my anger at that last comment.
#31 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 32
I hadn't considered that. Give me a moment.
#32 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 33 #33 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 34 #34 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 35
If this one under or over-softens, I'll need time to make things right.
#35 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 36
I might have to let her go.
#36 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 37
I'm just gonna skip over that insult.
#37 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 38 #38 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 39
I'm suggesting there might be something you could do...
#39 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 40
Yeah, that's not what I had in mind.
#40 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 41 #41 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 42
Is this the Zack Johnson who used to have coitus with my neighbor Penny?
#42 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 43 #43 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 44
Yes, that does sound like a girl's name.
#44 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 45
Yes, that is a girl's name.
#45 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 46 #46 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 47
- I don't think this wrestling has a bell. - How do you wanna start?
#47 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 48 #48 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 49
Don't yell at me.
#49 Recap of The Big Bang Theory Season 4 Episode 10 (S04E10) - 50 #50