I Know What You Did Last Summer (franchise)
Updated: 12/11/2025, 9:05:54 AM Wikipedia source
I Know What You Did Last Summer is an American horror media franchise owned by Sony Pictures Entertainment, consisting of four slasher films and one television series, and based on the 1973 novel by Lois Duncan. The franchise follows various characters as they face a masked hook-wielding killer after they covered up an accident in which they supposedly killed someone. It started with a first installment written by Kevin Williamson, directed by Jim Gillespie, and released in 1997. The franchise includes two theatrical sequels, a direct-to-video standalone sequel, and a television series. Most of the films stars Jennifer Love Hewitt as Julie James and Freddie Prinze Jr. as Ray Bronson. Each installment of the franchise has received mixed reviews from critics, with the first film developing a cult following; collectively, they have grossed $274 million worldwide.
Infobox
Created by
Lois Duncan
Original work
I Know What You Did Last Summer (1973)
Owner
Sony Pictures Entertainment
Years
1997–present
Novel(s)
I Know What You Did Last Summer (1973)
Film(s)
mw- I Know What You Did Last Summer (1997) I Still Know What You Did Last Summer (1998) I Know What You Did Last Summer (2025)
Television series
I Know What You Did Last Summer (2021)
Direct-to-video
I'll Always Know What You Did Last Summer (2006)
Soundtrack(s)
I Know What You Did Last Summer: The Album (1997) I Know What You Did Last Summer (1997) I Still Know What You Did Last Summer (1998) I Know What You Did Last Summer (2021) I Know What You Did Last Summer (2025)
Tables
· Films
I Know What You Did Last Summer
I Know What You Did Last Summer
Films
I Know What You Did Last Summer
U.S. release date
October 17, 1997 (1997-10-17)
Director
Jim Gillespie
Screenwriter(s)
Kevin Williamson
Story by
Erik Feig, Neal H. Moritz & Stokely Chaffin
I Still Know What You Did Last Summer
I Still Know What You Did Last Summer
Films
I Still Know What You Did Last Summer
U.S. release date
November 13, 1998 (1998-11-13)
Director
Danny Cannon
Screenwriter(s)
Trey Callaway
Story by
Erik Feig, Neal H. Moritz, Stokely Chaffin, Jose Ludlow & William S. Beasley
I'll Always Know What You Did Last Summer
I'll Always Know What You Did Last Summer
Films
I'll Always Know What You Did Last Summer
U.S. release date
August 15, 2006 (2006-08-15)
Director
Sylvain White
Screenwriter(s)
Michael D. Weiss
Story by
Erik Feig & Neal H. Moritz
I Know What You Did Last Summer
I Know What You Did Last Summer
Films
I Know What You Did Last Summer
U.S. release date
July 18, 2025 (2025-07-18)
Director
Jennifer Kaytin Robinson
Screenwriter(s)
Jennifer Kaytin Robinson & Sam Lansky
Story by
Jennifer Kaytin Robinson & Leah McKendrick
Producer(s)
Neal H. Moritz
| Films | release date | Director | Screenwriter(s) | Story by | Producer(s) |
| I Know What You Did Last Summer | October 17, 1997 (1997-10-17) | Jim Gillespie | Kevin Williamson | Erik Feig, Neal H. Moritz & Stokely Chaffin | |
| I Still Know What You Did Last Summer | November 13, 1998 (1998-11-13) | Danny Cannon | Trey Callaway | Erik Feig, Neal H. Moritz, Stokely Chaffin, Jose Ludlow & William S. Beasley | |
| I'll Always Know What You Did Last Summer | August 15, 2006 (2006-08-15) | Sylvain White | Michael D. Weiss | Erik Feig & Neal H. Moritz | |
| I Know What You Did Last Summer | July 18, 2025 (2025-07-18) | Jennifer Kaytin Robinson | Jennifer Kaytin Robinson & Sam Lansky | Jennifer Kaytin Robinson & Leah McKendrick | Neal H. Moritz |
· Television
I Know What You Did Last Summer
I Know What You Did Last Summer
Series
I Know What You Did Last Summer
Season
1
Episodes
8
First released
October 15, 2021
Last released
November 12, 2021
Showrunner(s)
Sara Goodman
Network(s)
Amazon Prime Video
| Series | Season | Episodes | First released | Last released | Showrunner(s) | Network(s) |
| I Know What You Did Last Summer | 1 | 8 | October 15, 2021 | November 12, 2021 | Sara Goodman | Amazon Prime Video |
· Recurring cast and characters
I Know What You Did Last Summer
I Know What You Did Last Summer
Characters
I Know What You Did Last Summer
Films
I Still Know What You Did Last Summer
Films
I'll Always Know What You Did Last Summer
Films
I Know What You Did Last Summer
1997
1997
Characters
1997
Films
1998
Films
2006
Films
2025
Benjamin "Ben" WillisThe Fisherman
Benjamin "Ben" WillisThe Fisherman
Characters
Benjamin "Ben" WillisThe Fisherman
Films
Muse Watson
Films
Don Shanks
Julie James
Julie James
Characters
Julie James
Films
Jennifer Love Hewitt
Films
Jennifer Love Hewitt
Ray Bronson
Ray Bronson
Characters
Ray Bronson
Films
Freddie Prinze Jr.
Films
Freddie Prinze Jr.
Helen Shivers
Helen Shivers
Characters
Helen Shivers
Films
Sarah Michelle Gellar
Films
Sarah Michelle GellarC
Karla Wilson
Karla Wilson
Characters
Karla Wilson
Films
Brandy Norwood
Films
Brandy NorwoodC
| Characters | Films | |||
| I Know What You Did Last Summer | I Still Know What You Did Last Summer | I'll Always Know What You Did Last Summer | I Know What You Did Last Summer | |
| 1997 | 1998 | 2006 | 2025 | |
| Benjamin "Ben" WillisThe Fisherman | Muse Watson | Don Shanks | ||
| Julie James | Jennifer Love Hewitt | Jennifer Love Hewitt | ||
| Ray Bronson | Freddie Prinze Jr. | Freddie Prinze Jr. | ||
| Helen Shivers | Sarah Michelle Gellar | Sarah Michelle GellarC | ||
| Karla Wilson | Brandy Norwood | Brandy NorwoodC | ||
· Additional crew and production details
Composer(s)
Composer(s)
Film
Composer(s)
Crew/detail
Cinematographer(s)
Crew/detail
Editor(s)
Crew/detail
Production companies
Crew/detail
Distributing companies
Crew/detail
Running time
I Know What You Did Last Summer (1997)
I Know What You Did Last Summer (1997)
Film
I Know What You Did Last Summer (1997)
Crew/detail
John Debney
Crew/detail
Denis Crossan
Crew/detail
Steve Mirkovich
Crew/detail
Mandalay Entertainment
Crew/detail
Columbia Pictures
Crew/detail
1 hr 41 mins
I Still Know What You Did Last Summer
I Still Know What You Did Last Summer
Film
I Still Know What You Did Last Summer
Crew/detail
John Frizzell
Crew/detail
Vernon Layton
Crew/detail
Peck Prior
Crew/detail
1 hr 40 mins
I'll Always Know What You Did Last Summer
I'll Always Know What You Did Last Summer
Film
I'll Always Know What You Did Last Summer
Crew/detail
Justin Burnett
Crew/detail
Stephen M. Katz
Crew/detail
David Checel
Crew/detail
Mandalay Pictures, Original Film, Destination Films
Crew/detail
Sony Pictures Home Entertainment
Crew/detail
1 hr 32 mins
I Know What You Did Last Summer (TV series)
I Know What You Did Last Summer (TV series)
Film
I Know What You Did Last Summer (TV series)
Crew/detail
Drum & Lace, & Ian Hultquist
Crew/detail
Anka Malatynska & Shawn Mauer
Crew/detail
Ray Daniels, Trevor Baker, Jo Francis, Monica Daniel, Marc Pollon, & Christopher M. Meagher
Crew/detail
Off Center Inc., Original Film, Mandalay Television, Atomic Monster, Amazon Studios, Sony Pictures Television Studios
Crew/detail
Amazon Prime Video
Crew/detail
6 hrs 20 mins (8 episodes)
I Know What You Did Last Summer (2025)
I Know What You Did Last Summer (2025)
Film
I Know What You Did Last Summer (2025)
Crew/detail
Chanda Dancy
Crew/detail
Elisha Christian & David Lanzenberg
Crew/detail
Saira Haider
Crew/detail
Columbia Pictures, Screen Gems, Original Film
Crew/detail
Sony Pictures Releasing
Crew/detail
1 hr 51 mins
| Film | Crew/detail | |||||
| Composer(s) | Cinematographer(s) | Editor(s) | Production companies | Distributing companies | Running time | |
| I Know What You Did Last Summer (1997) | John Debney | Denis Crossan | Steve Mirkovich | Mandalay Entertainment | Columbia Pictures | 1 hr 41 mins |
| I Still Know What You Did Last Summer | John Frizzell | Vernon Layton | Peck Prior | 1 hr 40 mins | ||
| I'll Always Know What You Did Last Summer | Justin Burnett | Stephen M. Katz | David Checel | Mandalay Pictures, Original Film, Destination Films | Sony Pictures Home Entertainment | 1 hr 32 mins |
| I Know What You Did Last Summer (TV series) | Drum & Lace, & Ian Hultquist | Anka Malatynska & Shawn Mauer | Ray Daniels, Trevor Baker, Jo Francis, Monica Daniel, Marc Pollon, & Christopher M. Meagher | Off Center Inc., Original Film, Mandalay Television, Atomic Monster, Amazon Studios, Sony Pictures Television Studios | Amazon Prime Video | 6 hrs 20 mins (8 episodes) |
| I Know What You Did Last Summer (2025) | Chanda Dancy | Elisha Christian & David Lanzenberg | Saira Haider | Columbia Pictures, Screen Gems, Original Film | Sony Pictures Releasing | 1 hr 51 mins |
· Reception › Box office performance
North America
North America
Film
North America
Box office gross
Other territories
Box office gross
Worldwide
I Know What You Did Last Summer (1997)
I Know What You Did Last Summer (1997)
Film
I Know What You Did Last Summer (1997)
Box office gross
$72,586,134
Box office gross
$53,000,000
Box office gross
$125,586,134
Budget
$17 million
I Still Know What You Did Last Summer
I Still Know What You Did Last Summer
Film
I Still Know What You Did Last Summer
Box office gross
$40,002,112
Box office gross
$44,000,000
Box office gross
$84,002,112
Budget
$24 million
I Know What You Did Last Summer (2025)
I Know What You Did Last Summer (2025)
Film
I Know What You Did Last Summer (2025)
Box office gross
$32,200,000
Box office gross
$32,500,000
Box office gross
$64,700,000
Budget
$18 million
Total
Total
Film
Total
Box office gross
$144,788,246
Box office gross
$129,500,000
Box office gross
$274,288,246
Budget
$59,000,000
| Film | Box office gross | Budget | Reference | ||
| North America | Other territories | Worldwide | |||
| I Know What You Did Last Summer (1997) | $72,586,134 | $53,000,000 | $125,586,134 | $17 million | |
| I Still Know What You Did Last Summer | $40,002,112 | $44,000,000 | $84,002,112 | $24 million | |
| I Know What You Did Last Summer (2025) | $32,200,000 | $32,500,000 | $64,700,000 | $18 million | |
| Total | $144,788,246 | $129,500,000 | $274,288,246 | $59,000,000 | |
· Reception › Critical and public response
I Know What You Did Last Summer (1997)
I Know What You Did Last Summer (1997)
Title
I Know What You Did Last Summer (1997)
Rotten Tomatoes
46% (116 reviews)
Metacritic
52 (17 reviews)
CinemaScore
B−
I Still Know What You Did Last Summer
I Still Know What You Did Last Summer
Title
I Still Know What You Did Last Summer
Rotten Tomatoes
10% (61 reviews)
Metacritic
21 (19 reviews)
CinemaScore
B
I'll Always Know What You Did Last Summer
I'll Always Know What You Did Last Summer
Title
I'll Always Know What You Did Last Summer
Rotten Tomatoes
0% (7 reviews)
Metacritic
—
CinemaScore
—
I Know What You Did Last Summer (TV series)
I Know What You Did Last Summer (TV series)
Title
I Know What You Did Last Summer (TV series)
Rotten Tomatoes
41% (46 reviews)
Metacritic
45 (4 reviews)
CinemaScore
—
I Know What You Did Last Summer (2025)
I Know What You Did Last Summer (2025)
Title
I Know What You Did Last Summer (2025)
Rotten Tomatoes
36% (196 reviews)
Metacritic
42 (32 reviews)
CinemaScore
C+
| Title | Rotten Tomatoes | Metacritic | CinemaScore |
| I Know What You Did Last Summer (1997) | 46% (116 reviews) | 52 (17 reviews) | B− |
| I Still Know What You Did Last Summer | 10% (61 reviews) | 21 (19 reviews) | B |
| I'll Always Know What You Did Last Summer | 0% (7 reviews) | — | — |
| I Know What You Did Last Summer (TV series) | 41% (46 reviews) | 45 (4 reviews) | — |
| I Know What You Did Last Summer (2025) | 36% (196 reviews) | 42 (32 reviews) | C+ |
· Music
I Know What You Did Last Summer: The Album
I Know What You Did Last Summer: The Album
Title
I Know What You Did Last Summer: The Album
U.S. release date
October 7, 1997
Length
53:40
Performed by
Various Artists
Label
Columbia Records
I Know What You Did Last Summer: Original Motion Picture Score
I Know What You Did Last Summer: Original Motion Picture Score
Title
I Know What You Did Last Summer: Original Motion Picture Score
U.S. release date
October 7, 1997
Length
50:44
Performed by
John Debney
Label
Super Tracks
I Still Know What You Did Last Summer: Music from the Motion Picture
I Still Know What You Did Last Summer: Music from the Motion Picture
Title
I Still Know What You Did Last Summer: Music from the Motion Picture
U.S. release date
November 17, 1998
Length
50:57
Performed by
Various Artists
Label
143 Records and Warner Bros. Records
I Know What You Did Last Summer: Music from the Amazon Series
I Know What You Did Last Summer: Music from the Amazon Series
Title
I Know What You Did Last Summer: Music from the Amazon Series
U.S. release date
October 15, 2021
Length
56:44
Performed by
Drum, Lace & Ian Hultquist
Label
Madison Gate Records
I Know What You Did Last Summer: Original Motion Picture Soundtrack
I Know What You Did Last Summer: Original Motion Picture Soundtrack
Title
I Know What You Did Last Summer: Original Motion Picture Soundtrack
U.S. release date
July 18, 2025
Length
58:35
Performed by
Chanda Dancy
Label
Milan Records
| Title | release date | Length | Performed by | Label |
| I Know What You Did Last Summer: The Album | October 7, 1997 | 53:40 | Various Artists | Columbia Records |
| I Know What You Did Last Summer: Original Motion Picture Score | October 7, 1997 | 50:44 | John Debney | Super Tracks |
| I Still Know What You Did Last Summer: Music from the Motion Picture | November 17, 1998 | 50:57 | Various Artists | 143 Records and Warner Bros. Records |
| I Know What You Did Last Summer: Music from the Amazon Series | October 15, 2021 | 56:44 | Drum, Lace & Ian Hultquist | Madison Gate Records |
| I Know What You Did Last Summer: Original Motion Picture Soundtrack | July 18, 2025 | 58:35 | Chanda Dancy | Milan Records |
References
- Bloody Disgustinghttps://bloody-disgusting.com/exclusives/3709166/i-know-what-you-did-last-summer-2-mike-mendez-recalls-his-unmade-pitch-phantom-limbs/
- Varietyhttps://variety.com/1998/film/news/summer-ii-cannon-ized-1117467550/
- Varietyhttps://variety.com/1998/film/news/i-still-know-to-star-settle-1117468968/
- Varietyhttps://variety.com/1998/film/news/esposito-joins-summer-sequel-1117469693/
- "Col pix will slay 'em with third 'Summer'"https://variety.com/2000/film/news/col-pix-will-slay-em-with-third-summer-1117785312/
- "Sony pushing genre sequels"https://variety.com/2005/film/markets-festivals/sony-pushing-genre-sequels-1117925766/
- Bloody Disgustinghttps://bloody-disgusting.com/news/3312991/know-last-summer-remake/
- Bloody Disgustinghttps://bloody-disgusting.com/interviews/3384092/interview-hush-mike-flanagan-kate-siegel/
- Bloody Disgustinghttps://bloody-disgusting.com/exclusives/3443772/whats-going-know-last-summer-remake/
- Bloody Disgustinghttps://bloody-disgusting.com/editorials/3648479/writer-jeffrey-howard-revisits-mike-flanagans-know-last-summer-phantom-limbs/
- Bloody Disgustinghttps://bloody-disgusting.com/tv/3575407/james-wan-directing-know-last-summer-pilot-amazon/
- Bloody Disgustinghttps://bloody-disgusting.com/tv/3636776/amazon-orders-know-last-summer-television-series-producer-james-wan/
- Varietyhttps://variety.com/2020/tv/news/i-know-what-you-did-last-summer-series-amazon-craig-macneill-1234849849/
- Deadline Hollywoodhttps://deadline.com/2021/01/i-know-what-you-did-last-summer-madison-iseman-leads-cast-of-9-in-amazons-ya-horror-series-including-brianne-tju-brooke-blum-reboot-1234671450/
- Deadline Hollywoodhttps://deadline.com/2023/02/i-know-what-you-did-last-summer-sony-jennifer-kaytin-robinson-jennifer-love-hewitt-freddie-prinze-jr-1235250808/
- Deadline Hollywoodhttps://deadline.com/2024/09/freddie-prinze-jr-sony-i-know-what-you-did-last-summer-sequel-film-1236097098/
- Deadline Hollywoodhttps://deadline.com/2024/12/jennifer-love-hewitt-i-know-what-you-did-last-summer-sequel-1236202241/
- Deadline Hollywoodhttps://web.archive.org/web/20240516205605/https://deadline.com/2024/05/i-know-what-you-did-last-summer-release-date-set-sony-1235919726/
- I Know What You Did Last Summerhttps://www.boxofficemojo.com/title/tt0119345/
- The Numbershttps://www.the-numbers.com/movie/I-Know-What-You-Did-Last-Summer
- I Still Know What You Did Last Summerhttps://www.boxofficemojo.com/title/tt0130018/
- The Numbershttps://www.the-numbers.com/movie/I-Still-Know-What-You-Did-Last-Summer
- I Know What You Did Last Summer (2025)https://www.boxofficemojo.com/title/tt4045450/
- The Numbershttps://www.the-numbers.com/movie/I-Know-What-You-Did-Last-Summer-(2025)
- "CinemaScore"https://www.cinemascore.com/
- "I Know What You Did Last Summer"https://www.rottentomatoes.com/m/i_know_what_you_did_last_summer
- "I Know What You Did Last Summer"https://www.metacritic.com/movie/i-know-what-you-did-last-summer
- "I Still Know What You Did Last Summer"https://www.rottentomatoes.com/m/i_still_know_what_you_did_last_summer/
- "I Still Know What You Did Last Summer"https://www.metacritic.com/movie/i-still-know-what-you-did-last-summer
- "I'll Always Know What You Did Last Summer"https://www.rottentomatoes.com/m/ill_always_know_what_you_did_last_summer/
- I Know What You Did Last Summerhttps://www.rottentomatoes.com/tv/i_know_what_you_did_last_summer/s01
- I Know What You Did Last Summerhttps://www.metacritic.com/tv/i-know-what-you-did-last-summer-2021/season-1
- I Know What You Did Last Summerhttps://www.rottentomatoes.com/m/i_know_what_you_did_last_summer_2025
- I Know What You Did Last Summerhttps://www.metacritic.com/movie/i-know-what-you-did-last-summer-2025/