I Know What You Did Last Summer is an upcoming American Horror film. It is directed by Jennifer Kaytin Robinson and written by Sam Lansky and Jennifer Kaytin Robinson. The story was created by Leah McKendrick and Robinson. This movie is the 4th in the I Know What You Did Last Summer series and is a direct sequel to I Still Know What You Did Last Summer (1998).
The film stars Madelyn Cline, Chase Sui Wonders, Jonah Hauer-King, Tyriq Withers, Sarah Pidgeon, Billy Campbell, and others. Freddie Prinze Jr. and Jennifer Love Hewitt return to play their roles from the original movies.
Five friends hit a man with their car by accident. They hide the truth and try to forget what happened. But a year later, someone knows their secret and starts hunting them down. They must now face the danger and get help from the survivors of the Southport Massacre of 1997.
I Know What You Did Last Summer Parents Guide (2025)

I Know What You Did Last Summer Age Rating: The movie has not received an official age rating yet, but it is likely to be rated R in the United States. This means the movie is restricted to viewers aged 18 and above. The previous films in the series were also rated R.
Reasons for the 18+ Rating:
The movie includes a lot of scary and mature content, like:
- Strong violence and bloody scenes
- Scary themes and disturbing images
- Bad language
- Alcohol use
- Some mild sexual activity
Violence & Gore
- The movie includes several killings and bloody scenes.
- A ghostly or monster-like person grabs a boy and hurts him badly, which is very disturbing.
- You may see blood, stabbing, and people screaming.
- In one part, many people are killed in quick scenes, showing a revenge-style attack.
Language
- The film is expected to include strong language that is not suitable for children.
- Bad words may be used in tense or angry scenes.
Sexual Content
- There are some mild sexual scenes in the movie.
- Some female characters wear revealing clothes.
- These scenes are short but not meant for young viewers.
Scary & Disturbing Scenes
- A scary person appears in the dark and does violent things.
- One character is grabbed and pulled painfully by a hook.
- These moments may be too disturbing for younger viewers.
Alcohol and Drugs
- Characters in the movie drink alcohol during parties or emotional scenes.
- Drinking is shown as part of their lifestyle.
Is I Know What You Did Last Summer (2025) Suitable for Kids?
No. This movie is not suitable for children under 18. It has many scary and violent moments, along with strong language and some sexual content.
Parents are strongly advised not to let young children watch this film.
Guide for Parents
- If your teen wants to watch the movie, consider watching it first or reading reviews.
- The movie includes mature topics and visuals that can upset younger or sensitive viewers.
I Know What You Did Last Summer Official Trailer
The movie will be released in theaters in the United States on July 18, 2025, by Sony Pictures Releasing.
FAQs
Q: What is the age rating for I Know What You Did Last Summer (2025)?
A: The movie is likely to be R-rated, which means it is not for children under 18.
Q: Does the movie have violence?
A: Yes, it has bloody and violent scenes, including killing and disturbing images.
Q: Is there strong language in the movie?
A: Yes, the movie uses strong and mature language.
Q: Is it scary?
A: Yes, there are ghostly and disturbing scenes that may scare even older kids.
Q: Can kids under 18 watch the movie with parents?
A: The R rating means children under 17 should not watch it without a parent. However, it is still not recommended.