|Writers||Lee Aronsohn (Story), Steven Molaro (Story), Steve Holland (Story), Chuck Lorre (Teleplay), Dave Goetsch (Teleplay), Maria Ferrari (Teleplay)|
|Starring||Carol Ann Susi as Mrs. Wolowitz, Ally Maki as Joyce Kim, Steven Yeun as Sebastian, Ajgie Kirkland as Louie, Ed Lieberman as Announcer (v.o)|
|Air Date||May 17, 2010|
Leonard tells Penny about how he met Sheldon for the first time ... and what happened to the elevator
Still to come
David Saltzberg's science blog about this episode
Notes and Trivia
The original title for this episode was "The Elevator Implementation".
The back story presented in this episode matches all the clues we've been given over the previous three seasons almost exactly. There are a few minor inconsistencies, however. For one thing, Sheldon doesn't actually start using his signature knock until halfway through the first season (0110) and before that point he knocks normally, but here we see him use his signature knock on Leonard's door seven years previous. For another thing, according to Nerdvana Annihilation the elevator was supposedly broken for only two years as of April 2008. In this episode we learn that it was damaged seven years ago. Neither of these inconsistencies is important and in fact, each can be explained away with a nimble jump of story logic (such as "Leonard said that the elevator had been broken for two years because he didn't want to admit what really happened" ... a favourite parlour game for fans of everything from Star Trek to Sherlock Holmes).
Still to come
To "implement" something is to make use of it. This episode tells the story of why people can't use the elevator and must use the staircase.