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TV series

I Know What You Did Last Summer

Latest episode

S1 E8 · Your Next Life Could Be So Much Happier

About I Know What You Did Last Summer

I Know What You Did Last Summer is a mystery and drama TV series that premiered on Prime Video on October 14, 2021. It has 1 season and 8 episodes so far and was canceled. The latest episode, Season 1 Episode 8 "Your Next Life Could Be So Much Happier", aired on November 11, 2021.

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.

  • Mystery
  • Drama

Last updated

Episodes

8 episodes · 1 season

Season 1

2021 · 8 episodes · Last episode: 4 years ago

I Know What You Did Last Summer Season 1 release dates →
  1. I Know What You Did Last Summer S1 E8 still E8

    8. Your Next Life Could Be So Much Happier

    Finale

    Lennon and her surviving friends confront painful truths from the past as the shocking truth of the killer's identity is finally revealed – with deadly consequences.

  2. I Know What You Did Last Summer S1 E7 still E7

    7. If Only Dogs Could Talk

    The town races to find the killer before another victim is claimed. Calm seems to be restored as the killing stops until the police make a gruesome discovery.

  3. I Know What You Did Last Summer S1 E6 still E6

    6. Least You Had a Spare

    More devastating truths are unearthed by Lennon as the crew frantically search for one of their own who has gone missing.

  4. I Know What You Did Last Summer S1 E5 still E5

    5. Mukbang

    The police question everyone in town with any connection to the victims. The crew think they know who is after them and hunt for evidence implicating the town eccentric.

  5. I Know What You Did Last Summer S1 E4 still E4

    4. Hot Shrimp Salad

    Lennon uncovers secrets about her twin and begins to fear the worst about the true identity of the person murdering her friends. The local community is shocked by more murders.

  6. I Know What You Did Last Summer S1 E3 still E3

    3. A Gorilla Head Will Not Do

    Unable to go to the authorities without revealing their secret, the crew needs to solve the mystery on their own. More bodies turn up, as they realize they’re being haunted and hunted.

  7. I Know What You Did Last Summer S1 E2 still E2

    2. It's Not Just for Dog Shit

    The estranged friends reunite to try and figure who might have revealed their secret or who else knows what they did – which leads to murder.

  8. I Know What You Did Last Summer S1 E1 still E1

    1. It's Thursday

    Lennon Grant returns home after her first year at college and discovers that someone knows the terrible secret she and her OG crew of friends swore to keep last summer.

Cast & crew

Created by Sara Goodman

  • Sonya Balmores

    Sonya Balmores

    Mel Gilbert

  • Spencer Sutherland

    Spencer Sutherland

    Dale

  • Eddie Kaulukukui

    Eddie Kaulukukui

    Carl Gilbert

  • Tiffany Kanoa

    Kid

  • Kekoa Kekumano

    Kekoa Kekumano

    Connor Davenport

  • Keola Simpson

    Keola Simpson

    Mr. Davenport

  • Sebastian Amoruso

    Sebastian Amoruso

    Johnny

  • Danielle Delaunay

    Danielle Delaunay

    Hannah Scanlon

  • Chrissie Fit

    Chrissie Fit

    Kelly Craft

  • Victoria K. Schmidt

    Officer Ulani Kalama

  • Jason Lee Hoy

    Jason Lee Hoy

    Kyle

  • Sterling Sulieman

    Sterling Sulieman

    Wade

  • Eric William Morris

    Eric William Morris

    Officer Doug Cruise

  • Maggie Lacey

    Maggie Lacey

    Helen

  • Joe Toro

    Joe Toro

    Bill

  • Duncan Kamakana

    Eric Craft

I Know What You Did Last Summer FAQ

Will there be new episodes of I Know What You Did Last Summer?

I Know What You Did Last Summer has been canceled, so no new episodes are scheduled. The final episode aired on November 11, 2021.

When did the latest episode of I Know What You Did Last Summer come out?

The most recent episode of I Know What You Did Last Summer, Season 1 Episode 8 "Your Next Life Could Be So Much Happier", aired on November 11, 2021.

How many seasons of I Know What You Did Last Summer are there?

I Know What You Did Last Summer has 1 season with 8 episodes in total.

When did I Know What You Did Last Summer first air?

I Know What You Did Last Summer first aired on Prime Video on October 14, 2021.

How do I get notified when new episodes of I Know What You Did Last Summer are released?

Download the Streambay app, follow I Know What You Did Last Summer, and you'll get a push notification the moment each new episode is released.

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