The I Know What You Did Last Summer movie franchise consists of four main films released in the following order:
- I Know What You Did Last Summer (1997) : The original film directed by Jim Gillespie, featuring Jennifer Love Hewitt, Sarah Michelle Gellar, Ryan Phillippe, and Freddie Prinze Jr. It follows four friends who accidentally hit a pedestrian and cover it up, only to be stalked by a hook-wielding killer a year later
- I Still Know What You Did Last Summer (1998) : The sequel directed by Danny Cannon, continuing the story with the surviving teens being hunted by the same killer, this time at a resort in the Bahamas
- I'll Always Know What You Did Last Summer (2006) : A standalone sequel directed by Sylvain White, involving a new group of teenagers in Colorado stalked by a similar killer a year after covering up an accidental death
- I Know What You Did Last Summer (2025) : An upcoming legacy sequel directed by Jennifer Kaytin Robinson, set to be released on July 18, 2025, with some original cast members returning and a new storyline involving a group terrorized by a stalker aware of their past
The franchise is loosely based on Lois Duncan's 1973 novel I Know What You Did Last Summer , but the films adapt the story into a slasher horror format rather than the novel's mystery style
. The original 1997 film was a box office success, grossing over $125 million worldwide on a $17 million budget and is considered a cult classic in the slasher genre
. The films are best watched in release order to follow the storyline progression. In summary, there are four I Know What You Did Last Summer movies released or scheduled:
- I Know What You Did Last Summer (1997)
- I Still Know What You Did Last Summer (1998)
- I'll Always Know What You Did Last Summer (2006)
- I Know What You Did Last Summer (2025, upcoming)
