When Lily starts listing her perfect baby names, her first choice is Tara, which is a reference to another role played by Alyson Hannigan, Buffy the Vampire Slayer's Willow, who was in a relationship with a character named Tara.
Robin: Could somebody please explain to me why the little girl act works on men?
Barney: You want the long version or the short version?
Lily: Short version.
Barney: Who's your daddy?
Robin: Um, when we were dating, did - did I make you feel needed? Barney: No, I never felt like you needed me at all. Robin: (sighs) That's what I thought. Um, I'm sorry. Barney: Wait, where are you going? That's a compliment! You're the least needy woman I've ever met. That's awesome! I mean, no guy's gonna say "Who's your daddy?" to Robin Scherbatsky. You're your own daddy. And mommy. And weird survivalist uncle who lives in a cabin with a shotgun blaming stuff on the government. And that is what makes you the most amazing, strong, independent woman I've ever banged.
Marshall: How come the creepy kid in a horror movie is always a girl? Or twin girls, who speak in unison.
Lily: What about Chucky?
Marshall: A, he was a doll. B, he was possessed by an adult serial killer, and C, how could you bring up Chucky right before bed?!
Australian band TONK learned their song "Golden Girl" was used without their permission, though covered by another band, and received a settlement figure from FOX Broadcasting Company that was larger than what it would've cost to properly license the song.
International Airdates: United Kingdom: January 27, 2011 on E4; Australia: February 17, 2011 on Channel 7; Germany: September 21, 2011 on ProSieben; Czech Republic: January 23, 2012 on Prima COOL
Marshall asks, "How come the creepy kid in a horror movie is always a girl? Or twin girls, who speak in unison," referring to Stanley Kubrick's 1980 movie adaptation of Steven King's 1977 novel, The Shining. However, the two girls aren't actually twins, but they are dressed the same.
Lily's flashback about the name Jeremy is a reference to Pearl Jam's 1992 music video for "Jeremy" about a troubled young boy who liked to paint who killed himself in front of his class.