Ted mentions at the end of the episode that the goat incident ended up on his 31st birthday instead of his 30th. However, in "The Wedding Bride" there is a reference of the goat in the movie; Ted and Stella had broken up and, therefore wouldn't have been at his 31st birthday party.
Lily asked Robin if Barney was all smooth "down there." In the second season's "Columns", Lily paints a nude painting of Barney. She would already know the answer.
The "birthday goat" is first mentioned in the season 1 episode "Milk". The episode begins with Ted's 28th birthday party and concludes with him mentioning the goat incident on his 30th birthday.
We learn Ted's birthday is April 25th, 1978.
The Bro-Code articles:
1) Bros before Hoes.
29) A bro will in a timely manner alert his bro to the existence of a girl-fight.
34) Bros can not make eye contact during the devil's three-way. (two dudes)
53) A bro will when ever possible provide his bro with protection.
87) A bro shall at all times say Yes.
89) The mom of a bro is always off limits. But, the step-mom of a bro is fair game, if she initiates it and/or is wearing at least one article of leopard printed clothing.
Barneyism - Barney uses the word "bpeg" when saving Robin's naked body to his memory. He explained that a bpeg is a "boob image" in the episode Where Were We?.
Lily: I can't believe you slept with Barney, that's so gross! Was it amazing?
Robin: What? Lily, I really don't want to talk about this.
Lily: I know, but it's Barney. It's hard not to be curious. Did he have like devices and stuff?
Marshall: Lily, come on!
Lily: Did he tie you to anything?
Marshall: That's enough!
Robin: What is wrong with you?
Lily: Alright, sorry. (Pause) Was he all smooth down there?
Marshall: We can't keep a goat.
Lily: But she's so cute and fuzzy and soft.
Marshall: Yeah, and it also sheds, eats garbage, and can't control its bowel movements. Why don't we just call Duluth Mental Hospital and say my Uncle Linus can live with us?
Marshall: Ted has upheld this this time and time again. For example, article 87, "A bro shall at all times say yes."
Girl: So he saved you from an avalanche?
Girl: And he carried you six miles to safety on his broken leg?
Girl: And you're a pre-op transsexual nightclub singer who used to be a member of the Russian mob?
Barney: Are you saying you don't want to be bros anymore?
Ted: I'm saying I don't want to be friends anymore.
Ted: Hey, Barney, I'm getting rid of some of my old stuff. Do you want my Xbox?
Barney: (thinking that Ted is referring to Robin) Shame on you! She has a name! What kind of man do you think I am?
Ted: Uh, someone who likes video games?
Barney: So... I just slept with my best friend's ex-girlfriend.
Robin: And I just slept with my ex-boyfriend's really good friend.
Barney: (corrects her) Best friend.
(While Ted was yelling at Barney in the limo)
Barney: I'm horrified that this happened.
Ted: How did it happen? Ahh? Barney? I want to know. Tell me exactly how it happened.
Barney: You mean, what position?
(Marshall is upset after Barney tells him about Robin)
Barney: You can't tell anyone. Attorney-client privilege.
Marshall: Why are you doing this to me?
Barney: Because I need you, Marshall, as my lawyer to prove I didn't do anything wrong.
Marshall: How can I help you as your lawyer? You didn't break any laws, did you? Robin knows that you slept with her, doesn't she?
Barney: I didn't break any state or federal laws. But I think I broke a much, much higher law. The Bro Code.
(The morning after, Barney and Robin lying together in the bed)
Barney: In my experience the way it normally goes is: we lie her for a while, make a little awkward chit-chat.
Barney: Then I make up some cabinet meeting/heart surgery/rocket test flight I've got to be at. Slip out of your apartment and never call you again.
Robin: And later at the bar you tell your good friend Robin the story of your latest conquest and she thinks to her self: "Who is this sad, self loathing idiot who climbed into bed with Barney Stinson?"
Barney: Actually, you usually say it out loud.
(Ted reveals he knows Barney slept with Robin)
Barney: So, You're not mad?
Ted: No, I'm not mad. Well, Robin and I broke up a year ago, we both dated lots of people since then, I'm with Stella now. Seriously, I'm fine with this.
Barney: I'm so relieved to hear you say that.
Ted: Yeah, yeah. Oh, I just remembered, my mom is coming in to town next month. Maybe you'd like to nail her too!!
Robin: Okay, here is the deal Barney: the second my feet touch the floor this never happened.
Barney: Okay. Wait (Barney lift the sheet up). Right click, save as into the bpeg folder and okay. This never happened. It's a good plan.
(Robin gets up)
Robin: Now we go back to exactly the way things were before.
Barney: Okay. Right. So Robin.
Robin: Yes, Barney?
Barney: Guess who nailed the chick from Metro News One last night?
Barney: I can't keep buying things! I have six self-cleaning litter boxes and I don't even HAVE a kid.
The German episode title is "Die Ziege", an exact translation. The French title is "La chèvre de Lily", meaning "Lily's Goat". The Italian title is "La regola infranta", meaning "The Broken Rule".
International Airdates: Australia: June 26, 2008 on Network 7; Czech Republic: October 14, 2010 on Prima COOL
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