Many of the cast members' favorite episode.
This episode is one reason the term 'friend-zone' became a popular phrase in Western culture.
The blackout in this episode is the result of an event seen in the Mad About You episode "Pandora's Box", where Jamie causes a city-wide power blackout in New York City. The effects of the blackout are seen in this episode of Friends and in the episode "Birthday in the Big House" of the short-lived NBC sitcom Madman of the People. All 3 episodes originally aired during the evening of November 3, 1994, alongside a Seinfeld episode which did not incorporate the blackout premise.
First appearance of Mr. Heckles.