The PSA test that Russel took, is an abbreviation for Prostate-Specific Antigen. By taking a blood sample, the amount of PSA can be measured in a laboratory. Prostate cancer or benign (not cancerous, like inflammation) conditions can increase a man's PSA level.
The poster in Dinah's room is of Humphrey Bogart (1899–1957), an American actor most famous for playing the role of Rick in the movie Casablanca.
TRIVIA: In this episode we once again see Hattie stitching on the map containing the places the family has traveled through the US.
Claire insists on naming the newborn girl Grace, because at her and Russell's age she thought they were 'graced' with a baby.
Group B Strep (GBS) that Claire passes on to the baby is a bacteria. When the mother is affected the baby may be infected at birth, which can be lethal to the baby even if treated.
We get to know that Hattie used to follow after Russell back in the days when he was riding his Harley. Hattie claims that it was actually his father's idea. And now Russell and Claire is doing the same to Josh.
Russel surprises Claire by turning the trailer into Italy, he speaks Italian and even makes cannelloni.
John Steinbeck is the author of the book that Claire reads.
We get to know that Claire has a Master's degree in education.
Guest-star, Trever O'Brien (Joey) is the real-life younger brother of series star, Austin O'Brien (Josh).
Go Ask Alice is the title of the book that Dinah reads when she's in the trailer.
We get to know that Hattie Greene is a baptist.