Where was the rest of James' family during the reading of the will? Why didn't they explain why Nigel, Jocelyn, Max's mother, and James' wife Joan weren't there to hear what they might inherit? Max only mentions them to report that they're contesting the will, but shouldn't they have been in attendance? You'd think Max's mother would have shown up just to flaunt that she'd outlived him.
Sylvia: What have I always told you?
Fran: Death begins in the colon?
Maxwell: What proof do we have this woman and I are related?
Fran: Let's get to know her a little bit. Hi, honey, are you married?
Concepcion: I was living with a man for 5 years but I couldn't make a commitment.
Fran: There's your DNA test!
Chandler Evans is also the name of one of the production assistants listed in the credits and Rob Sternin's cousin. He got to keep the name plate when the taping was finished.
The episode title is play on the doctrine the "immaculate conception", which states that Mary is the one fully human being preserved from original sin because she is the mother of God.