I Know What You Did Last Summer
In a sun-soaked Hawaiian town with a mysterious past, a group of friends is left with a dark secret after a tragic accident. One year later, a member of the group receives a threatening message, and the friends now know that someone intends to make them pay for last summer.
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Based on audience scoresWhere to stream I Know What You Did Last Summer
Streaming now in the United States on Amazon Prime Video.
Rent or buy in the United States on Amazon Video, Apple TV Store, and Fandango At Home.
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Frequently asked questions about I Know What You Did Last Summer
Where can I watch I Know What You Did Last Summer in the United States?
I Know What You Did Last Summer is available to stream on Amazon Prime Video in the United States, and to rent or buy on Amazon Video, Apple TV Store, and Fandango At Home. Streaming availability is provided by JustWatch and can change over time.
Is I Know What You Did Last Summer on Amazon Prime Video?
Yes. I Know What You Did Last Summer is streaming on Amazon Prime Video in the United States.
Can I watch I Know What You Did Last Summer for free?
I Know What You Did Last Summer streams free with ads in the United States on Amazon Prime Video Free with Ads. A subscription is not required, though the service may ask you to register.
What are the ratings for I Know What You Did Last Summer?
I Know What You Did Last Summer scores 6.4 on The Movie Database.
Who stars in I Know What You Did Last Summer?
I Know What You Did Last Summer stars Madison Iseman, Bill Heck, Brianne Tju, Zeke Goodman, and Ashley Moore. Sara Goodman is the creator.
How many seasons of I Know What You Did Last Summer are there?
I Know What You Did Last Summer has 1 season and 8 episodes, and is canceled.
How long does it take to watch all of I Know What You Did Last Summer?
All 8 episodes of I Know What You Did Last Summer add up to about 6 hours 32 minutes at roughly 49 minutes each. At two hours a night that is about 3 evenings; at four hours a day it takes about 2 days.
What network is I Know What You Did Last Summer on?
I Know What You Did Last Summer airs on Prime Video, and is produced by Amazon Studios, Sony Pictures Television, and Original Film.
Ratings and streaming availability are aggregated from third-party sources; metadata from The Movie Database (TMDB), streaming data from JustWatch. This product uses the TMDB API but is not endorsed or certified by TMDB. Streaming availability checked September 2026.