2003
From The Big Bang Theory Wiki
Events of the year 2003
- The elevator is destroyed when a canister of top secret rocket fuel accidentally ignites and Sheldon places it in the elevator and presses the down button, thereby saving Leonard's life (0322).
NOTE: In October 2007, Sheldon states that he's spent the "last three and a half years staring at grease boards covered with equations" (0104), which would mean that he started working at the university in the spring of 2003.
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