Raj trades Sheldon his limited edition Green-Lantern lantern in exchange for Sheldon's service as a wingman.
Read MoreMore isn't Always Merrier
Howard brings his girlfriend over to Leonard and Sheldon's apartment unannounced
Read MoreArguments as a Negative Externality
Leonard and Penny are in a huge fight.
Read MoreRationality of Team Sports
Leonard remarks that its odd for Penny to refer to the Cornhuskers as "her" team
Read MoreWhat's on Howard's Brain?
Sheldon and Howard get into an argument over the origins of Wolverine.
Read MoreA Month with Sheldon...
The guys weigh the benefits of a Sheldon free summer versus the fame associated with confirming string theory.
Read MoreThe Comedic Returns of Space Poop
Sheldon realizes that each additional joke is just as funny as the previous ones.
Read MoreWill NOT Work for Pizza
Sheldon cannot believe that all he gets is pizza for helping Howard move.
Read MoreNeighbors as a Nuisance
When Sheldon learns that the neighbors above their apartment will move out, he begins to list all of the negative externalities that they didn't produce.
Read MoreCoffee's Unintended Consequences
After telling Sheldon the benefits of coffee, Penny regrets giving Sheldon his first cup.
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