The expression Chris quotes, "Tempus fugit", is from line 284 of Book 3 of Virgil's "Georgics" where it appears as "Fugit inreparabile tempus" ("it escapes, irretrievable time"). The phrase is used in both its Latin and English forms as a proverb that "time's a-wasting".
The party at the Beeman's take place on Sunday, April 26, 1981. The TV is tuned to game 7 of the Philadelphia Flyers NHL playoff series. The Flyers played only one game seven during the 1981 NHL playoffs, losing to the Calgary Flames, 4-1.
Henry has many Star Wars items in his bedroom including a C-3PO figure, bedspread and a poster included in the 1977 Star Wars soundtrack double album.
The arcade game behind Stan as he waits for his hamburger order is Centipede.
A copy of "Sweetness and Power: The Place of Sugar in Modern History" by Sidney W. Mintz can be seen next to the phone in Chris's house.