The Big Bang Theory (2007)

S3E22 The Staircase Implementation

Leonard shares with Penny the story of his first encounter with Sheldon and reveals the incident that led to the elevator’s current state. He recounts the awkwardness of their initial meeting and the unexpected turn of events that ultimately resulted in the elevator being out of order. As he reminisces, Penny can't help but laugh at the absurdity of it all, highlighting just how much has changed since that fateful day.