Quinn and Finn attend a doctor's appointment regarding Quinn's pregnancy. She is said to be at 10 weeks, and yet the doctor can tell through a routine ultrasound that the sex of the baby is female. It is virtually impossible to tell the gender at 10 weeks, since the genitals don't even begin to form until week 14 at the earliest.
Sue indicates that Brittany is Dutch. "Pierce" is a surname of English, Welsh, and Irish origin.
As Artie puts down a chair he was carrying in "Hate on Me" he moves his left foot.