Amy
I don't understand. What difference does it make if Leonard goes to Wil Wheaton's party?
Penny
Wil Wheaton is Sheldon's mortal enemy.
Amy
Mortal enemy? Sheldon, I know you're a bit of a left-handed monkey wrench, but you really have a mortal enemy?
Sheldon
In fact, I have 61 of them. Would you like to see the list?
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