In the flashback, Lily has a huge belly, supposedly from eating a lot of hot dogs. Really, Alyson Hannigan was pregnant at the time, and welcomed a little girl on March 24, 2009.

Barney: Lottery girl's on.
Robin: I just feel sorry for these women. This is where broadcast careers go to die.
Barney: Check it out, I make it fun. I invented a little game.
Lottery Girl: Tonight's lotto numbers are: 19,
Barney: Age you moved to New York after a photographer "discovered" you at a food court and said he would get you into Vogue Magazine.
Lottery Girl: 53,
Barney: Number of semi-nude pictures he took of you before you realized he had no connection to Vogue Magazine.
Lottery Girl: 22,
Barney: Age you claim you are.
Lottery Girl: 31,
Barney: Age you actually are.
Lottery Girl: 45,
Barney: Number of minutes it would take me to get you into a cab, out of your dress and into my Jacuzzi.
Lottery Girl: And the Super Big Ball is...
Barney: What happens after we get out of the Jacuzzi. What Up!

Lily: Doctor X, you're still bragging about Doctor X?
Robin: Who's Doctor X?
Ted: Nobody knows. He was this genious mystery DJ.
Marshall: It was Ted.
Ted: His identity remains a mystery to this day.
Lily: It was Ted.
Ted: But this phantom of the airwaves changed the very face of college radio.
Marshall: It was Ted.
Lily: And your show sucked