Jennifer Love Hewitt in 'I Know What You Did Last Summer' from 1997 (Mandalay Ent/Kobal/Shutterstock)Jennifer Kaytin Robinson's summer slasher I Know What You Did Last Summer is a sequel to the 1997 movie of the same name. And while the horror movie had fans rushing to the theater to see who is beneath the Fisherman's slicker this time around, it's also making many nostalgic for the original Jennifer Love Hewitt vehicle - or curious to check it out for the first time. The good news is that the 1997 version is streaming on MGM+ right now.