If you like your slasher-horror movies thrilling, suspenseful, and desperately ‘90s, you likely love I Know What You Did Last Summer. In tandem with the Scream franchise, the first I Know film came out in 1997 and gave teens nightmares about killers with fisherman’s hooks for years to come. Find out how (and where) to watch all of the I Know What You Did Last Summer movies in order below!
The I Know What You Did Last Summer films are based on Lois Duncan’s 1973 novel of the same name and feature an all-star ‘90s cast, including Jennifer Love Hewitt, Sarah Michelle Gellar, Ryan Phillippe, and Freddie Prinze Jr. The four play two couples who accidentally hit and seemingly kill a man on a dark winding road in North Carolina. Afraid of the consequences, they dump the body — only the be stalked a year later by someone sending them anonymous notes that they “still know” what they did last summer.
Watch the I Know What You Did Last Summer movies in order
The I Know What You Did Last Summer franchise currently has three instalments, with an untitled fourth on the way. The first two came out in quick succession, with the second acting as a direct sequel. I Still Know What You Did Last Summer still stars Freddie Prinze Jr and Jennifer Love Hewitt and features additional ultra ‘90s starpower with the additions of Brandy and Mekhi Phifer to the cast. This time, they’re being stalked by the killer in the Bahamas.
Here are all of the I Know What You Did Last Summer movies in order of release:
- 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)
- Untitled Sequel (2025)
The third instalment, I'll Always Know What You Did Last Summer, came out in 2006 as a direct-to-video standalone feature. The film features an all-new cast and setting in Colorado. Because the third film is a standalone feature, it makes the most sense to watch the I Know What You Did Last Summer movies in order of release, which is also in chronological order.
So far, precious little is known about the untitled 2025 instalment, but there are rumours that it will feature Freddie Prinze Jr and Jennifer Love Hewitt, along with a slew of famous younger cast members who can carry future additions — similar to the newer films in the Scream franchise.
In addition, there is also a 2021 I Know What You Did Last Summer series produced by Amazon. While it only lasted one season, it’s a great option to tide you over if you really want to sink your hooks into every addition of this slasher franchise.
Where to watch the I Know What You Did Last Summer movies in order
Find out how (and where) to watch all of the I Know What You Did Last Summer movies in order by scrolling down to the list below. The films are all available to stream across a variety of platforms, including Amazon Prime Video, Netflix, ITVX, and more!
