I Know What You Did Last Summer (1997) Horror Thriller Mystery

I Know What You Did Last Summer (1997) Movie Release Dates / Movie Details

Updated: August 29, 2024

I Know What You Did Last Summer Plot Synopsis:

After an accident on a winding road, four teens make the fatal mistake of dumping their victim's body into the sea. But exactly one year later, the dead man returns from his watery grave and he's looking for more than an apology.

Synopsis / Plot Summary: After a nasty accident, four friends begin to drift apart. One year later Julie James gets a anonymous message and then a slicker wearing, hook wielding killer begins to rip apart her life.

Tagline: He"s got a hook on them...

Why Watch I Know What You Did Last Summer

Hey, so you know about "I Know What You Did Last Summer"? It's this pretty wild horror movie from the '90s. Here's the gist: four friends, fresh out of high school, accidentally hit someone with their car. Big yikes, right? In a total panic, they decide to hide the whole thing. But as you can guess, that kind of secret doesn't just disappear.

Fast forward to the next summer, and things get super creepy. They start getting these notes saying, “I know what you did last summer!” That's when the real freak-out begins. Someone knows their secret, and it’s like they're being haunted by what they did.

The movie is a mix of scary moments where you'll probably jump and parts where you're like, “Why would you even do that?” The main group, including stars like Jennifer Love Hewitt and Sarah Michelle Gellar, are all tangled up in guilt and trying to figure out who's after them.

The cool thing about “I Know What You Did Last Summer” is it feels like a classic '90s horror flick. It’s got suspense, a mystery vibe, and plenty of “don’t go in there” moments. It’s the kind of movie that’s perfect for hanging out with friends and getting a good scare.

So, if you're down for a bit of a spooky movie that keeps you guessing, definitely give it a watch. Just brace yourself for some jumps and a lot of tension! It’s like a horror mystery puzzle you and your friends can try to solve together.

I Know What You Did Last Summer Movie Information:

What is I Know What You Did Last Summer Streaming On?

Browse: Must See Best Serial Killer Movies / Serial Killer Movies List

Whistle (2025), Forgive Us All (2025), Hell House LLC: Lineage (2025), 28 Years Later: The Bone… (2026), 28 Years Later (2025), We Bury the Dead (2024), Strange Harvest: Occult Murder… (2024), Bring Her Back (2025), Parvulos (2024), and ZombieCON Vol. 1 (2024)

Check Out the Best Horror Movies of 2026 You Must See!

Check out more movies that start with I and movies from 1997. I Know What You Did Last Summer is part of the serial killer movies sub-genre(s), check out more movies like I Know What You Did Last Summer. Also, you can find more thriller movies that start with I.

Check out movie quotes for I Know What You Did Last Summer here.

(11) Movie Recommendations

Similar Movies to I Know What You Did Last Summer (1997)(Click to Expand)

1. Scream (1996) / (read Scream (1996) review)
2. Final Destination (2000) / (read Final Destination (2000) review)
3. Scream 2 (1997) / (read Scream 2 (1997) review)
4. Final Destination 2 (2003) / (read Final Destination 2 (2003) review)
5. Scream 4 (2011) / (read Scream 4 (2011) review)
6. Final Destination 3 (2006) / (read Final Destination 3 (2006) review)
7. Scream 3 (2000) / (read Scream 3 (2000) review)
8. The Faculty (1998) / (read The Faculty (1998) review)
9. I Still Know What You Did… / (read I Still Know What You Did Last Summer (1998) review)
10. Urban Legend (1998) / (read Urban Legend (1998) review)
11. I'll Always Know What You…

I Know What You Did Last Summer (1997) Cast (Click to Expand)

Fun Facts: 15 Real AGES of Cast

Source: IMDB, Metacritic, Rotten Tomatoes, HellHorror.com fans like you!