In Something Blue (#2.22) Barney says that he has been with an Argentinean girl once. However, Argentina isn't checked in the world sex map, at least not in the taxi, but when meeting the girl from estland, Argentina is checked.
In this episode, Ted says that while working as a lifeguard, he had one senior citizen that drowned on his watch, how ever in an earlier episode, on his resume, it states that while working as a lifeguard, it says 'no fatalities'.
When the helicopter comes closer and Ted rushes out of Marshall and Lily's bedroom, the wall wobbles when he bumps into it.