Danielle Turchiano Senior Features Editor, TVSPOILER ALERT: Do not read if you have not watched the series premiere of “I Know What You Did Last Summer,” streaming now on Amazon Prime Video.After Alison (Madison Iseman) learns her twin sister Lennon (also Iseman) slept with the guy she has been in love with for years in the premiere episode of Amazon Prime Video’s “I Know What You Did Last Summer,” she just wants to leave their graduation party.