How Friends Grew Their Viewership (and How You Can, Too)

I'm a huge Friends fan. Like...watch the whole series multiple times per year. 
Did you know they did something in Season 1 to grow their viewership 25%? 
Season 1, Episode 16 was called, “The One with Two Parts, Part 1,” it was the first of a crossover event with two other NBC shows.
Before landing the role of Phoebe on Friends, Lisa Kudrow was a waitress named Ursula on NBC’s hit show Mad About You, also set in NYC. 
The show wrote them as twin sisters, and Ursula was introduced to the Friends audience in Episode 16 when Joey started dating her. 
Helen Hunt and Leila Kenzle, who played the main characters on Mad About You, also make an appearance, mistaking Phoebe for Ursula at Central Perk, a common hangout in Friends.
But it doesn’t stop there. At the end of Episode 16, Rachel falls and hurts her ankle. Episode 17 opens with ...