Howard's mom wants to go to the Olive Garden becasuse she got a coupon from the paper.
Read MoreRock, Paper, Scissors, Lizard, Spock
Sheldon explains a new versions of Rock, Paper, Scissors to Raj: Rock, Paper, Scissors, Lizard, Spock.
Read MoreWhat's it Take to Talk?
Sheldon decides he will not speak to people about theoretical physics but Leonard provides an incentive of going to the comic book store.
Read MoreA Slightly-Used iPod
Raj finds a smashed iPod that Penny through out the window. He decides he is going to sell it on eBay as 'slightly used.'
Read MoreSheldon Being Rational
Penny inquires as to why Sheldon did not buy Leonard a gift for his birthday.
Read MoreA Time Machine Depreciates
Leonard is selling his share of the time machine and everyone is giving him offers below what he paid due to depreciation.
Read MoreWinning a Time Machine
Leonard bids on a movie prop and ends up winning. He pays the amount he bid so this is a first-price auction.
Read MoreCompetition for a 15-Year Old Genius
The University is trying to attract a new 15-year-old grad student by offering him funding.
Read More3D Chess: A Sequential Game
Sheldon and Leonard are playing 3D chess which is a sequential game.
Read MoreSex vs Halo 3
Sheldon attempts to a make Howard choose between sex and Halo 3.
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