I Know What You Did Last Summer: Movie Order & 2025 Reboot

Few slasher franchises have pulled off the trick of staying relevant across three decades — and I Know What You Did Last Summer just might be the most surprising example. With a legacy sequel hitting theaters in July 2025, the franchise that once felt like a mid-90s postcard now looks like a blueprint for how horror revivals can bridge generations. Here’s where the films stand, what changed, and what the 2025 reboot means for fans old and new.

Films in original series: 3 ·
Reboot release year: 2025 ·
Setting of 2025 film: 27 years after Tower Bay murders ·
IMDb rating of 1997 original: 5.8/10 ·
Rotten Tomatoes score (original): 40%

The table below distills the franchise’s core facts and connections between the original and the 2025 installment.

What’s the correct order of the I Know What You Did Last Summer movies?

Original trilogy order

• I Know What You Did Last Summer (1997) — Premiered October 17, 1997, directed by Jim Gillespie. Grossed $125 million worldwide at the box office.
• I Still Know What You Did Last Summer (1998) — Direct sequel with a new setting: a resort island. Reception was generally negative.
• I’ll Always Know What You Did Last Summer (2006) — Direct-to-video release featuring a different set of characters. Low critical profile.

Reboot and its relation to the original

The 2025 film is a legacy sequel, not a full reboot. According to DirecTV Insider, it links the new cast directly to the original franchise survivors. The story takes place 27 years after the Tower Bay murders and follows a new group of teens being stalked after a fatal secret — the same slasher premise that defined the 1997 original, but with the weight of legacy characters Julie James and Ray Bronson returning to the story world.

Four films, one pattern: the franchise has always been about what happens when a secret refuses to stay buried. What changed across each release is the setting, the cast, and the level of theatrical ambition — but the core tension remains the same.
The pattern: Each installment asks whether the killer is a real person or the embodiment of guilt itself. The 2025 film doubles down on that ambiguity by making survivors into mentors and victims into legacy figures.

Is there a sequel to I Know What You Did Last Summer coming out in 2026?

Production status

As of mid-2025, no sequel has been announced for 2026. Reporting from The Hollywood Reporter indicates that the 2025 film currently has no announced follow-up. The franchise’s production history — a 9-year gap between the 1997 original and the 2006 direct-to-video film, then another 19 years until the 2025 entry — suggests that studio commitment can shift.

Release date expectations

Production plans change. If the 2025 legacy sequel performs well at the box office, Sony Pictures could greenlight additional entries. But as of now, there are no confirmed release dates beyond what audiences have already seen in theaters.

The catch: The 2025 film’s cast announcements evolved significantly during pre-production, with The Hollywood Reporter noting that Camila Mendes was initially reported as a lead but later replaced. If a sequel enters development, similar casting shifts are possible.

Why is Sarah Michelle Gellar not in the new I Know What You Did Last Summer?

Her role in the original

Sarah Michelle Gellar played Helen Shivers in the 1997 original — a beauty pageant contestant who becomes one of the primary targets of the killer. Her character’s chase scene through the streets of Southport remains one of the film’s most remembered sequences.

Her absence in the 2025 film

Gellar does not appear in the 2025 legacy sequel, according to the official cast list reported by Netflix Tudum. No official reason has been given for her absence; reports suggest schedule conflicts or script preferences.

Her potential return in future installments

Gellar has stated in interviews that she is open to returning if the script is right. For fans wondering whether Helen Shivers could appear in a later film, the door appears to be open — but no commitments have been made.

What this means: For a franchise that built its 2025 revival on legacy casting, Gellar’s absence is the most notable gap in the returning survivor roster. The practical implication for viewers: the 2025 film asks audiences to invest in a new ensemble while acknowledging the original survivors — but one of the original’s most iconic faces is missing from that equation.

Is I Know What You Did Last Summer a good movie?

Critical reception

Critics have given the 1997 original mixed reviews. On Rotten Tomatoes, the original holds a 40% critic score. Reviewers generally praise the cast — particularly Sarah Michelle Gellar and Jennifer Love Hewitt — and the effective suspense sequences, but criticize the film for leaning into slasher clichés that were already familiar by the late 1990s.

Fan perspective

Fan reception is more positive. The 1997 film has gained status as a cult classic among horror audiences who grew up in the post-Scream era. Its box office gross of $125 million worldwide against a $17 million budget — as reported by The Hollywood Reporter — shows strong audience engagement at the time of release.

The sequels fared worse: I Still Know What You Did Last Summer (1998) drew harsher critical reviews, and the 2006 direct-to-video entry has near-zero critical footprint. For fans considering a watch-through, the original is generally considered the strongest entry, with diminishing returns thereafter.

The 2025 film has yet to be critically reviewed at the time of writing. Its performance will determine whether the franchise has genuinely evolved or is simply repeating its original formula with a new coat of paint.
The implication: The franchise’s critical trajectory — declining hard after the original — places unusual pressure on the 2025 legacy sequel to reverse a 20-year pattern of diminishing audience trust.

Do they find out Stevie is the killer?

Plot spoiler alert

In the 1997 film, the killer is revealed to be Ben Willis — a fisherman whose daughter was killed in a hit-and-run by the main characters the summer before. Stevie, a friend of the group, is himself a victim of Willis. The story follows the group discovering the killer’s identity through clues left in threatening notes.

The 2025 film reportedly retains this reveal structure but introduces a new killer. According to Rotten Tomatoes, the younger ensemble — Danica Richards, Ava Brucks, Milo Griffin, Teddy Spencer, and Stevie Ward — are stalked by an unknown figure who knows their secret. Whether the 2025 killer is Ben Willis, a copycat, or a new entity is left for audiences to discover.

The pattern: Across all four films, the killer’s identity is less important than the moral: secrets have consequences. Each installment forces its characters — and its viewers — to sit with the question of who really deserves to be punished.

Related reading: Krampus Movie (2015): Scary, Kid-Friendly, or True Story

Frequently asked questions

For viewers deciding whether to invest time in a 28-year-old franchise, the I Know What You Did Last Summer series offers a clear bargain: the 1997 original is a time capsule worth opening, the 2025 legacy sequel is a gamble worth taking, and everything in between is strictly optional. For Sony Pictures, the implication is clear: either the 2025 film reverses the franchise’s reputation, or this is the last summer for the series.