How I Met Your Mother

Season 4 Episode 1

Do I Know You?

6
Aired Monday 8:00 PM Sep 22, 2008 on CBS

Trivia

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  • Quotes

    • Lily: Ask her something!
      Barney: (on the phone to Robin) How are you feeling today?
      Robin: Fine.
      Lily: Something personal!
      Barney: At what age did you first get your period?