Franchise hub
I Know What You Did Last Summer Collection
I Know What You Did Last Summer is a 1997 American slasher film based on the 1973 novel of the same name by Lois Duncan. The film stars Jennifer Love Hewitt, Sarah Michelle Gellar, Ryan Phillippe and Freddie Prinze Jr., with Anne Heche and Bridgette Wilson appearing in supporting roles. It centers on four friends who are being stalked by a killer, one year after covering up a car accident in which they were involved. The film was directed by Jim Gillespie, from a screenplay written by Kevin Williamson, writer of Scream. The film was followed by three sequels, I Still Know What You Did Last Summer (1998), the straight-to-DVD release I'll Always Know What You Did Last Summer (2006), and the legacy sequel also titled I Know What You Did Last Summer (2025).
Canonical order
Franchise timeline
Franchise-wide activity
Activity feed
Franchise activity will appear here as new threads and film-linked events land across the series.
Prediction archive
Resolved predictions across the franchise
Prediction threads will archive here once franchise films enter pre-release.
