In Justice World, the major Hollywood "stars" mentioned include Linwood Boomer (who, as Quinn correctly states, played the "blind guy" Adam Kendall in Little House on the Prairie (1974)), Jill Whelan (who played Captain Stubing's daughter Vicki in The Love Boat (1977)) and the character actor Arnold Stang (best known for providing the voice of the title character in Top Cat (1961)). Four years after this episode aired, Boomer gained greater fame as the creator of Malcolm in the Middle (2000).
Lawrence Hilton-Jacobs plays himself in the courtroom. He was Freddie "Boom Boom" Washington on Welcome Back Kotter. In this episode, he pays tribute to that role with his famous "Hi There!" line.
At the end of the episode, the group slides into a world and they are video taped. The street that they land was later used as Wisteria Lane in Desperate Housewives (2004).
The voting machines for The Judgement Game are just 1990s versions of the popular electronic game Simon.
The "caning" of the spray painting vandal as Arturo, Rembrandt, and Wade are entering the studio appears to be a copy of real world events from May 1994, when Michael Fay was caned in Singapore for a similar offense. Michael only received four lashes for his punishment.