1. The one where everybody makes fun of Joey for being stupid.
  2. The one where Rachel gets stressed out because she can't handle adult responsibilities.
  3. The one where Ross feels bad about his love life.
  4. The one where Monica gets frustrated and yells in that high pitched voice.
  5. The one where Chandler makes some snarky comment about one of his friends.
  6. The one with Phoebe.