At the end of the episode, the bejeweled pumpkin on the table changes position from standing up to on its side between shots.
Jackie's parents tell Adam that she's in her room watching the Nightmare On Elm Street movies from 2 to 5. However, A Nightmare on Elm Street: The Dream Child (1989) wasn't released on video until after the 1980s.
The copy of An American Tail (1986) that Beverly gives Adam is a reprint from the early 1990s, as evident by the artwork and the MCA/Universal Home Video print logo on the packaging. During the 1980s, the label was MCA Home Video.