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I Know What You Did Last Summer

I Know What You Did Last Summer

2021·TV series·1 season · 8 episodes18

Mystery, Drama

6.4 / 10 (259 votes)

No one is safe.

In a sun-soaked Hawaiian town with a mysterious past, a group of friends is left with a dark secret after a tragic accident. One year later, a member of the group receives a threatening message, and the friends now know that someone intends to make them pay for last summer.

Created by
Sara Goodman
Original language
English
First aired
14 October 2021

Where to Watch

Availability in the US · Subtitle and audio track data

Prime Video
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Subtitle and audio languages not checked yet.

Last verified 2 Nov 2026

Cast

  • Madison Iseman

    Madison Iseman

    Lennon / Alison

  • Bill Heck

    Bill Heck

    Bruce

  • Brianne Tju

    Brianne Tju

    Margot

  • Zeke Goodman

    Zeke Goodman

    Dylan

  • Ashley Moore

    Ashley Moore

    Riley

  • Fiona Rene

    Fiona Rene

    Lyla

  • Cassie Beck

    Cassie Beck

    Courtney

  • Brooke Bloom

    Brooke Bloom

    Clara