The Big Bang Theory

The Staircase Implementation

TV-PG
S3 E22    May 16, 2010    20m
9.0
Leonard tells Penny about how he met Sheldon for the first time...and what happened to the elevator.
Where to Watch The Staircase Implementation
Cast of The Staircase Implementation
  • Johnny GaleckiLeonard Hofstadter
  • Jim ParsonsSheldon Cooper
  • Kaley CuocoPenny
  • Simon HelbergHoward Wolowitz
  • Kunal NayyarRajesh Koothrappali
  • Carol Ann SusiDebbie Wolowitz (voice)
  • Ed LiebermanAnnouncer (voice)
  • Ally MakiJoyce Kim
  • Steven YeunSebastian
  • Ajgie KirklandLouie
 
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