While they are walking through the casino the group walks by a person that resembles Raoul Duke from Fear and Loathing in Las Vegas.
The archive footage of Las Vegas neon lights went further back into the 1970's.
The name of the episode "Saudade" is a Portuguese word that has no direct translation to English, but "Saudade" means to have a strong feeling of nostalgia and missing something/someone, usually something that was positive in your life. This word is strongly in Portuguese vocabulary and culture.
This episode takes place in 1987.