The One Where Everybody Finds Out (often shortened to TOW Everybody Finds Out) is an episode of the television series Friends. It's my favorite show of all time, and this is one of my favorite episodes (top 5, for sure).

From Wikipedia:

"'The One Where Everybody Finds Out' is the fourteenth episode of Friends' fifth season. It first aired on the NBC network in the United States on February 11, 1999. In, the episode, Phoebe Buffay discovers that Monica Geller and Chandler Bing are secretly dating, and decides to 'mess' with them by pretending to flirt with Chandler. Meanwhile, Ross Geller learns that 'Ugly Naked Guy' is selling his apartment, and attempts to [rent] it. The episode ends on a cliffhanger, with Ross witnessing Monica and Chandler having sex through a window, which would be resolved in the next episode."

This episode also contains my favorite Ross moment of all time, so I'm thankful to it for that. The hop and scream combo right here:

Even though I adore this episode, this TV Sins video about it is actually hilarious (and pretty true). Plus, it serves as a pretty good synopsis, so I thought I'd share it.