Riverdale's "Prom Night" may have undergone a last-minute theme change, but the night was going off without a hitch until two uninvited party-crashers showed up. Yes, a supervillain team-up caps off a satisfying and scary episode also packed with the return of Mary Andrews, the gospel of The Gargoyle King, and some lame infinity tattoos. Dial M For Maple hosts Marah and Cameron wonder how Riverdale High students were supposed to interpret the "Fire & Ice" theme, and share their own prom memories. Plus, in the Speculation Booth, we introduce two spicy new theories have us questioning Betty's sanity and Veronica's loyalties. Learn more about your ad choices. Visit megaphone.fm/adchoices See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.