Where to watch I Know What You Did Last Summer (1997) tonight
I Know What You Did Last Summer (1997) runs 1 h 42 min, is rated R in the US and averages 6.0 from 3,473 TMDB members. After an accident on a winding road, four teens make the fatal mistake of dumping their victim's body into the sea. Exactly one year later, the deadly secret resurfaces as they're stalked by a hook-handed figure.
- Runtime
- 1 h 42 min — ends 9:42 pm if you start at 8:00 pm
- Rated
- R (US)
- Genres
- Horror, Thriller, Mystery
- Released
- October 17, 1997
- TMDB rating
- 6.0 / 10 from 3,473 votes
- Director
- Jim Gillespie
- Starring
- Jennifer Love Hewitt, Freddie Prinze Jr., Sarah Michelle Gellar, Ryan Phillippe
- Language
- English
Where to watch it tonight
Availability loads live for your country. See where I Know What You Did Last Summer streams (JustWatch via TMDB) →
Streaming availability by JustWatch. In the US, as of 2026-11-08: Netflix (subscription), YouTube TV (subscription), AMC (subscription).
Questions people ask
- How long is I Know What You Did Last Summer?
- I Know What You Did Last Summer is 1 h 42 min long (102 minutes). If you start it at 8:00 pm it ends at 9:42 pm; add about 20 minutes if you watch trailers first.
- What is I Know What You Did Last Summer rated?
- I Know What You Did Last Summer is rated R in the US.
- Is I Know What You Did Last Summer a good movie to watch with a group?
- Yes — a crowd movie. Horror and Thriller hold a room: people can talk, laugh or scream over it and still follow what is going on. Rated R in the US — check who is in the room.
- Where can I stream I Know What You Did Last Summer?
- In the US, as of 2026-11-08: Netflix (subscription), YouTube TV (subscription), AMC (subscription). Availability changes often; this page loads the live list for your country (streaming availability by JustWatch).
Lists it could be on
If you like I Know What You Did Last Summer
- Scream (1996)
- Happy Birthday to Me (1981)
- Cry_Wolf (2005)
- Hello Mary Lou: Prom Night II (1987)
- Wake Up (2024)
- Urban Legend (1998)
- Jeepers Creepers (2001)
- The Prowler (1981)
I Know What You Did Last Summer on TMDB · This product uses the TMDB API but is not endorsed or certified by TMDB.
Lights Down is a free tool: tell it your streaming services and how long you have, and it ranks what you can stream tonight, with a this-or-that, a roll, a bracket and a wheel. Movie data from TMDB; streaming availability by JustWatch. Page updated 2026-11-08. 
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