The bar Mike (Jonathan Banks) is shown throwing money away at is the same one where he beat up Walter White (Bryan Cranston) in episode 4.8, Thirty-Eight Snub (2011), of Breaking Bad (2008).
When Kim (Rhea Seehorn) reacts to Chuck (Michael McKean)'s accusations against Jimmy (Bob Odenkirk), she says that Jimmy could be charged with "forgery, fraud, falsifying evidence, even breaking and entering." Later, when the copy-shop employee asks Chuck what he is trying to investigate, he recites the exact same list, in the same order.
The opening song heard in the Regalo Helado truck is "Mi Cucu" from Colombian group La Sonora Dinamita. It is a cover of a Fats Domino song "My Toot Toot". The song is about female buttocks.
The shot when Saul (Bob Odenkirk) and his crew of guerrilla filmmakers cross the street to the school after exiting their car mirrors the cover of the famous The Beatles album "Abbey Road", minus the zebra crossing.
During Kevin Wachtell's statement to the court, the moment when he says "attention to detail" is the moment when the discrepancy in the court documents between the addresses 1216 and 1261 is pointed out to the judge.