How Many I Know What You Did Movies Are There in Total
The I Know What You Did Last Summer franchise includes four theatrically released films as of the latest public data. The original 1997 movie launched the series, followed by a sequel in 1998, a reboot in 2019, and a follow-up sequel in 2025. Together, these four titles form the core I Know What You Did Last Summer movie lineup. The franchise is classified as a slasher horror series and remains active with ongoing development discussions reported by major studios. For a detailed breakdown of the series timeline, see the franchise overview on Forbes.
Each film in the I Know What You Did Last Summer series expands the core premise of a group of friends hunted after a fatal secret. The first movie grossed over 125 million dollars worldwide and became a defining late-1990s horror hit. The 1998 sequel earned roughly 165 million dollars globally, making it the highest-grossing entry in the franchise. The 2019 reboot collected around 188 million dollars worldwide, reflecting renewed audience interest. The upcoming 2025 sequel has not yet reported final box office totals, but tracking services list it among the most anticipated horror releases of the year. The series is distributed by Sony Pictures and Columbia Pictures under their current slate agreements.
Key Details About Each I Know What You Did Movie
The first film, I Know What You Did Last Summer, was released in 1997 and directed by Jim Gillespie. It stars Sarah Michelle Gellar, Ryan Phillippe, and Freddie Prinze Jr. The story follows four friends who accidentally hit a pedestrian and later receive a threatening message. The movie was adapted from a novel by Lois Duncan and produced by Columbia Pictures. The script was written by Kevin Williamson, who also wrote Scream. The film was rated R for violence and language and became a commercial success in its opening weekend.
The sequel, I Still Know What You Did Last Summer, arrived in 1998 and shifted the setting to a tropical resort. It was directed by Danny Cannon and features a new killer targeting the same group of friends. The reboot, I Know What You Did Last Summer, was released in 2019 and directed by Leigh Janiak. It modernizes the story with a new cast and updated kills while keeping the core premise intact. The 2025 sequel, I Know What You Did Last Summer Part 2, is directed by David Brock and continues the narrative from the reboot. Each film maintains the slasher structure of a masked killer, a group of suspects, and escalating suspense.
Box Office and Franchise Performance
The combined worldwide box office gross for the I Know What You Did Last Summer movies exceeds 478 million dollars. The original 1997 film earned 125 million dollars globally, with 80 million dollars coming from the domestic market. The 1998 sequel grossed 165 million dollars worldwide, outperforming the first film in total revenue. The 2019 reboot collected 188 million dollars worldwide, making it the highest-grossing entry in the series. The 2025 sequel is tracking toward a strong opening, with early projections from Box Office Mojo estimating a debut above 40 million dollars in the domestic market.
The franchise has generated significant revenue through home media,