The Staircase Implementation
The Big Bang Theory Season 3

Leonard tells Penny about how he met Sheldon for the first time...and what happened to the elevator.

22 / 23

Episode

3 / 12

Season

8.3

Rating

47

Votes

2010

Year

Guest stars 4

Ed Lieberman

Announcer (voice)

Ally Maki

Joyce Kim

Steven Yeun

Sebastian

Ajgie Kirkland

Louie

Crew 0