In the episode Milk, when Barney is trying to pick up a woman using the 'fell from heaven' line, two fake paramedics arrive at the scene. These two 'gentlemen of Verona' are actually the co-creators of How I Met Your Mother.
First time seeing the reverse shot of the booth showing it is not built against the 'fourth wall'.
Ted's user id in Love Solutions' matchmaking service is 689325.
Alyson Hannigan (Lily) is known for her role in the American Pie franchise as Michelle. The guest star this episode, Eric Allen Kramer (Bob Rorschach), was in American Wedding as Bear, the bartender that Stiffler battled in a dance-off and managed to convinced Leslie, the eccentric dress designer, to make Michelle's wedding dress.