The theme song and introduction to The Big Bang Theory illustrates economic growth over time.
Read MoreThe Floppy Disk
Sheldon is discussing his list of mortal enemies, which he keeps on a 5.25 inch floppy disc.
Read MoreLong-Distance Kissing
Howard builds a machine which enables 2 people to simulate a human kiss.
Read MoreIndonesia or in an Apartment?
Sheldon calculates out Penny's per-day wage and makes a comment that children in Indonesia make more money than she would.
Read MoreUPS Liability
Sheldon asks Penny to sign for a package from UPS because he would like to transfer property rights back to her.
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.
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