Playback is currently unavailable for S1 E1 · It's Thursday. Episode details remain available below.
I Know What You Did Last Summer
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
- Cast:
- Madison Iseman, Bill Heck, Brianne Tju, Zeke Goodman
- Language:
- English
- Country:
- United States of America
- Network:
- Prime Video
Episode guide
Seasons
Season 1
Episodes
E01
Episode 1
★ 6.3It's Thursday
2021-10-14 · 50mLennon 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.
Current episode
E02
Episode 2
★ 5.5It's Not Just for Dog Shit
2021-10-14 · 49mThe estranged friends reunite to try and figure who might have revealed their secret or who else knows what they did – which leads to murder.
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E03
Episode 3
★ 5.8A Gorilla Head Will Not Do
2021-10-14 · 46mUnable 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.
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E04
Episode 4
★ 5.9Hot Shrimp Salad
2021-10-14 · 46mLennon 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.
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E05
Episode 5
★ 5.2Mukbang
2021-10-21 · 44mThe 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.
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E06
Episode 6
★ 5.6Least You Had a Spare
2021-10-28 · 44mMore devastating truths are unearthed by Lennon as the crew frantically search for one of their own who has gone missing.
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E07
Episode 7
★ 5.6If Only Dogs Could Talk
2021-11-04 · 48mThe 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.
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E08
Episode 8
★ 4.9Your Next Life Could Be So Much Happier
2021-11-11 · 58mLennon 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.
Watch progress · Not trackedCast
Madison Iseman
Lennon / Alison
Bill Heck
Bruce
Brianne Tju
Margot
Zeke Goodman
Dylan
Ashley Moore
Riley
Fiona Rene
Lyla
Cassie Beck
Courtney
Brooke Bloom
Clara
