Howard announces that he has to cash in some Bar Mitzvah bonds in order buy things for a girl.
Read MoreBuying Tampons in Bulk
In this clip, Sheldon tries to convince Penny to purchase her tampons in bulk to save money.
Read MoreUnemployment is split into three different types: structural, frictional, and cyclical. In this clip, Sheldon gets fired from his job for being rude. His skills are still needed which makes him frictionally unemployed.
Sheldon Becomes Frictionally Unemployed
In this episode of the Big Bang Theory, Sheldon gets fired for being rude to his new boss.
Read MorePenny and Leonard return early from dinner because Leonard hits his head on the table while retrieving an olive. On the car ride home Leonard vomits out the window. Penny believes they should go to the hospital because he may have a concussion but Leonard assures her that it's probably just because he gets carsick.
Causality
In this episode of The Big Bang Theory, Leonard and Penny go to dinner. Unfortunately for Leonard he hits his head and starts to bleed.
Read MoreThe guys are playing an online game, presumably World of Warcraft, and begin a massive battle. The goal is for the group to obtain The Sword of Azeroth. While the group is getting ambushed, Sheldon sneaks away, grabs the sword, and teleports out. He then sells the sword on Ebay where, ironically, Wolowitz ends up buying it.
Self Serving in World of Warcraft
In this episode of The Big Bang Theory, The guys are playing an online game, presumably World of Warcraft, and begin a massive battle. Sheldon does what is expected of his character.
Read MoreThe opportunity cost of doing an activity is what you give up. In this episode of the Big Bang Theory, inviting Penny over for lunch makes it so Leonard and Sheldon can no longer watch their TV show. A short clip like this can get the students interested in economic concepts on week 1.
A Girl vs. Battlestar Galactica
Leonard suggests inviting Penny over for lunch but Sheldon reminds him of their plans to watch season 2 of Battlestar Galactica.
Read MoreLeonard, still awkward in front of Penny, says she kind of acts like a carbohydrate delivery system at her job as a waitress at the Cheesecake Factory. Penny is not impressed and doesn't care because she gets minimum wage.
Carbohydrate Delivery
In this episode of The Big Bang Theory, Penny doesn't care what Leonard calls her job because she just gets minimum wage.
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