A running list
  1. MONICA: I just don't understand why he would do that. ROSS: I'm assuming we're looking for an answer more sophisticated than 'to get you into bed'
    S1E1
  2. ROSS: It's not going to be 'Helen.' SUSAN: Why not? ROSS: Helen Geller?
    S1E2
  3. RACHEL: I want your honest opinion. Oh, and on page two, he's not reaching for her 'heaving beasts.' MONICA: *reading* What's a 'niffle'? JOEY: You can usually find those on the heaving beasts
    S1E11
  4. The intro scene that consists solely of the gang humming the 'Odd Couple' theme song. (Made even funnier by the fact that Matthew Perry stars in the 2015 adaptation of 'The Odd Couple')
    S1E12
  5. PHOEBE: And all of a sudden his hands weren't the problem anymore. MONICA: And was it... PHOEBE: Oh, Boy Scouts could've camped under there
    S1E12
  6. CHANDLER: You guys all know what you want to do. You have dreams. I don't have a dream. ROSS: Ahh yes, the lesser known 'I Don't Have a Dream' speech.
    S1E15
  7. ROSS: Heating device. PHOEBE: Radiator. ROSS: Five letters. PHOEBE: Rdatr.
    S1E20
  8. CHANDLER: Take off their hats! PHOEBE: Popes in a Volkswagen!
    S1E21
  9. CHANDLER: I don't sound like that! JOEY: Yeah you do! ROSS: 'The hills are alive with the sound -OF- music.'
    S1E22
  10. MONICA: I feel terrible. I really do. RACHEL: I'm sorry, did my back hurt your knife?
    S2E2
  11. Phoebe's evolution speech to Ross
    S2E3
  12. *Monica notices Chandler's gaudy friendship bracelet from Joey* MONICA: Man, that is sharp. That must've cost you quite a few doubloons.
    S2E14
  13. CHANDLER: Oh, God. Can open. Worms everywhere.
    S2E16
  14. CHANDLER: Why must everybody watch me sleep? There will be no more watching me sleep! No more!
    S2E19
  15. CHANDLER: Take your stupid, small fruit and move out! EDDIE: You want me to move out? CHANDLER: Uh-huh! EDDIE: Well, I gotta tell ya man, this is kinda out of the blue. CHANDLER: Out of the blue?! This is smack dab in the middle of the blue!!!
    S2E19