Laurie: Tell your friend POTUS he's got a funny name, and he should learn how to ride a bicycle.
Sam Seaborn: I would, but he's not my friend, he's my boss. And it's not his name, it's his title.
Sam Seaborn: President of the United States.
In Season 1, Episodes 5&6, it's mentioned several times that Zoey is already 19 a few weeks before she starts college. Yet in this episode, Charlie points out to Leo and the President later tells Oliver Babbish that Zoey was 17 when she was filling out her enrollment forms for college, therefore a parent had to sign them. These are enrollment forms, not application forms - it's extremely unlikely that they were filled out over a year before she started school.
The theme tune heard for the show "Capital Beat" is actually the theme music for the UK's "News at Ten" on ITV.