After Jamie takes his mothers Volkswagen to travel up the coast with Julie, his mother is apprehend by the police in the same Volkswagen.
When Dorothea and William dance to music by the Talking Heads, William places the tonearm's needle on the first track, but the song that plays, "The Big Country", is actually the last track on the album shown, "More Songs About Buildings and Food".
When Julie and Jamie take their road trip, they ask a man at the liquor store to buy them wine coolers. While packaged fruit flavored alcohol beverages were around for a while, they were not called wine coolers until "California Coolers" were released in 1981.
Dorothea is variously depicted discussing her stock portfolio with her son Jamie, quoting NYSE share prices in decimals, doing this in 1979. However, the switch to decimal from fractional stock prices in the U.S. did not occur until the year 2000.
Black Flag's 'Nervous Breakdown' EP was released five months before the scene in which it appears, but the 10" pressing shown did not appear until the '90s.
One of the stocks shown in the newspaper is ServiceNow (NOW) which was founded in 2003 and came public in 2012.
In two of the live band scenes, amplifiers that didn't exist in 1979 are shown: Hughes and Kettner in one, Ashdown in another.