This was actor Douglas Emerson's final acting appearance. Since this episode he has retired from acting.
When Dylan is confused as to who Scott was, Brenda reminds him that he was David's best friend and they were in computer class with him. This is evident in The Green Room (1990), the second episode of the series, and the first appearance of Luke Perry as Dylan McKay.
The contents of the original time capsule include the March 1, 1941 issue of "The Saturday Evening Post", the April 14, 1941 issue of "Life" and the December 8, 1941 edition of "The Star Dispatch". Although the former two are real publications, the third is a generic fictional newspaper featured in All the King's Men (1949), The City on the Edge of Forever (1967) and The Astro-Zombies (1968).