'Riverdale' Season 5: How the Prom Episode Sets Up the Time Jump On 1/20/21 at 9:00 PM EST Riverdale Season 5, Episode 1, or "Chapter Seventy-Seven: Climax" saw the students of Riverdale High celebrate their prom—though in typical style, things were of course interrupted by a rogue broadcast of a potential snuff film. The characters' high school time may be coming to an end, but the show is not going to show us the college years of Archie (played by KJ Apa) and the rest of the cast. Instead, the show will soon do a seven-year time jump, which will see Archie return to