When they originally showed this the songs were "Eve Of Destruction" by Barry McGuire and when Tony Villicana was racing the Guy Who Lives Under the Bridge it was "Shut Down" by The Beach Boys. Ralph actually mentions "Eve of Destruction" playing on the radio while on the phone with Bill.
Ralph mentions his son, Kevin, who only appeared in four episodes during season 1 and simply disappeared.
William Bogert also appeared in "WarGames" (1983), which has a similar nuclear war caused by a computer plot, as Matthew Broderick's character's father.
Connie Sellecca is only shown in a short segment on the phone because she was pregnant at the time with her first child with Gil Gerard.
First appearance of the Piranha, Tony Villacana's 1959 Cadillac Series 62 Convertible with the flame paint job.