I Know What You Did Last Summer
“No one is safe.”
We checked 8 streaming services in India on 04 Jun 2026 at 11:59 IST
About
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
Seasons
Episodes
Season 1
It's Thursday
Lennon Grant returns home after her first year at college and discovers that someone knows the terrible secret she and her OG crew of friends swore to keep last summer.
It's Not Just for Dog Shit
The estranged friends reunite to try and figure who might have revealed their secret or who else knows what they did – which leads to murder.
A Gorilla Head Will Not Do
Unable to go to the authorities without revealing their secret, the crew needs to solve the mystery on their own. More bodies turn up, as they realize they’re being haunted and hunted.
Hot Shrimp Salad
Lennon uncovers secrets about her twin and begins to fear the worst about the true identity of the person murdering her friends. The local community is shocked by more murders.
Mukbang
The police question everyone in town with any connection to the victims. The crew think they know who is after them and hunt for evidence implicating the town eccentric.
Least You Had a Spare
More devastating truths are unearthed by Lennon as the crew frantically search for one of their own who has gone missing.
If Only Dogs Could Talk
The town races to find the killer before another victim is claimed. Calm seems to be restored as the killing stops until the police make a gruesome discovery.
Your Next Life Could Be So Much Happier
Lennon and her surviving friends confront painful truths from the past as the shocking truth of the killer's identity is finally revealed – with deadly consequences.
Where does I Know What You Did Last Summer rank today?
I Know What You Did Last Summer is #2391 on the CineFlixo Daily Streaming Charts today.
- Highest: #2391
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Watch I Know What You Did Last Summer Online Free — All Episodes in HD
Stream I Know What You Did Last Summer online free in HD on CineFlixo. A popular mystery and drama series originally produced in Inglés and released in 2021, it's earned a solid 6.4/10 from 242 viewers worldwide.
About I Know What You Did Last Summer
“No one is safe.”
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. Across 1 season and 8 episodes, originally airing on Prime Video, with status "Canceled".
I Know What You Did Last Summer Cast and Characters
The cast features Madison Iseman (as Lennon / Alison), Bill Heck (as Bruce), Brianne Tju (as Margot), Zeke Goodman (as Dylan), and Ashley Moore (as Riley). Their performances are a major reason I Know What You Did Last Summer has built such a passionate audience.
Where to Watch I Know What You Did Last Summer Online
On CineFlixo you can watch I Know What You Did Last Summer free — no account, no credit card, no ads in the middle of the show. We stream the full series in 720p / 1080p HD, with subtitles when available, on any device: phone, tablet, laptop, or smart TV browser.
▶ Watch I Know What You Did Last Summer NowWhy People Are Watching I Know What You Did Last Summer
I Know What You Did Last Summer flies under the radar but it deserves your attention. What makes it work is emotional weight that hits where it counts and tight pacing that earns its twists. If you enjoy Inglés storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about I Know What You Did Last Summer
Where can I watch I Know What You Did Last Summer online for free?
You can watch I Know What You Did Last Summer online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does I Know What You Did Last Summer have?
I Know What You Did Last Summer has 8 episodes across 1 season. All episodes are available to stream right here on CineFlixo.
Is I Know What You Did Last Summer good? What's the rating?
I Know What You Did Last Summer holds a 6.4/10 rating based on 242 reviews — a solid pick if the genre interests you.
Who is in the cast of I Know What You Did Last Summer?
The main cast includes Madison Iseman, Bill Heck, Brianne Tju, and Zeke Goodman, plus a strong supporting ensemble.
Is I Know What You Did Last Summer available in Inglés?
Yes — I Know What You Did Last Summer was originally produced in Inglés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was I Know What You Did Last Summer released?
I Know What You Did Last Summer first aired in 2021.
Do I need an account to watch I Know What You Did Last Summer on CineFlixo?
No. CineFlixo is free and you can watch I Know What You Did Last Summer without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
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Frequently Asked Questions
Where can I watch I Know What You Did Last Summer for free?
You can watch I Know What You Did Last Summer online for free on CineFlixo. All 8 episodes across 1 season are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does I Know What You Did Last Summer have?
I Know What You Did Last Summer currently has 1 season and a total of 8 episodes. The series status is "Canceled", so the episode count may grow as new seasons are released. You can browse the full episode list on CineFlixo and continue watching from where you left off.
What is I Know What You Did Last Summer about?
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. It belongs to the Mystery, Drama genres.
In which language is I Know What You Did Last Summer originally available?
I Know What You Did Last Summer was originally produced in English. On CineFlixo the show is available in its original English audio, which is the most authentic way to experience the dialogue, music, and performances. Check the player options on the watch page for available subtitle tracks.
When was I Know What You Did Last Summer first released?
I Know What You Did Last Summer first premiered on October 14, 2021 (2021).
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