Where to Watch in the US
I Know What You Did Last Summer streaming guide
Streaming info last updated: October 31, 2026
I Know What You Did Last Summer (2021) is a mystery and drama series from the United States. In the US, it’s available on Amazon Prime Video, Amazon Video, Apple TV Store, and Fandango At Home. The series has 1 season and 8 episodes.
The easiest way to binge the series is with a subscription to Amazon Prime Video. On a budget? You can watch it for free (usually with ads) on Amazon Prime Video Free with Ads or Amazon MX Player. For current subscription, rental, and purchase options and each platform’s direct “Watch” link, see the Where to Watch in the US section above. izlebunu hosts no content; it sends you straight to the streaming platform.
- FreeAmazon Prime Video Free with Ads, Amazon MX Player
- SubscriptionAmazon Prime Video
- GenreMystery, Drama
- OriginUnited States · 2021
Seasons — where to watch?
I Know What You Did Last Summer has 1 season, and in the US it’s available on Amazon Prime Video, Amazon Video, and Apple TV Store. Open a season to see its episodes and streaming options.
Trailer
Plot
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.
Cast
Madison IsemanLennon / Alison
Bill HeckBruce
Brianne TjuMargot
Zeke GoodmanDylan
Ashley MooreRiley
Fiona ReneLyla
Cassie BeckCourtney
Brooke BloomClaraFrequently Asked Questions
Where can I watch I Know What You Did Last Summer?
I Know What You Did Last Summer is available in the US on Amazon Prime Video, Amazon Video, Apple TV Store, Fandango At Home, and Amazon MX Player. You’ll find each platform’s current options and “Watch” links in the “Where to Watch in the US” section on this page.
What audio and subtitle options does I Know What You Did Last Summer have?
Audio and subtitle options for I Know What You Did Last Summer depend on the platform. US streaming services usually offer English closed captions (CC); other languages vary by service.
Which subscription includes I Know What You Did Last Summer?
I Know What You Did Last Summer is included with a subscription to Amazon Prime Video, so subscribers can watch it at no extra cost.
Can I rent or buy I Know What You Did Last Summer?
Yes. In the US, you can rent or buy I Know What You Did Last Summer on Amazon Video, Apple TV Store, or Fandango At Home.
Can I watch I Know What You Did Last Summer for free?
Yes. I Know What You Did Last Summer is currently free to stream in the US (possibly with ads) on Amazon Prime Video Free with Ads or Amazon MX Player.
How many seasons and episodes does I Know What You Did Last Summer have?
I Know What You Did Last Summer has 1 season and 8 episodes in total. In the US, it’s available on Amazon Prime Video, Amazon Video, Apple TV Store, Fandango At Home, and Amazon MX Player.
Where can I watch the latest season of I Know What You Did Last Summer?
In the US, I Know What You Did Last Summer is available on Amazon Prime Video, Amazon Video, Apple TV Store, Fandango At Home, and Amazon MX Player; new episodes usually arrive on the same platforms as they air.
What genre is I Know What You Did Last Summer?
I Know What You Did Last Summer is a mystery and drama series from the United States.
Who stars in I Know What You Did Last Summer?
The main cast of I Know What You Did Last Summer includes Madison Iseman, Bill Heck, Brianne Tju, Zeke Goodman, Ashley Moore, and Fiona Rene.
What is the IMDb / TMDB rating of I Know What You Did Last Summer?
I Know What You Did Last Summer has a TMDB rating of 6.4 out of 10 (245 votes). You can check its current IMDb rating via the IMDb link on this page.
Can I watch I Know What You Did Last Summer on my phone or smart TV?
Yes. Amazon Prime Video, Amazon Video, Apple TV Store, Fandango At Home, and the other platforms listed above work on iOS and Android, in web browsers, and on most smart TVs, so you can watch I Know What You Did Last Summer on the device of your choice.
When did I Know What You Did Last Summer premiere?
I Know What You Did Last Summer premiered in 2021.
