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I Know What You Did Last Summer poster

SERIES SPOTLIGHT • FLIXMOMO

I Know What You Did Last Summer

2021★ 6.4 / 1049 min1 Season

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.

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1 SeasonComplete series guide49 minRuntime6.4Community score

EPISODE GUIDE

Seasons & Episodes

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I Know What You Did Last Summer It's Thursday

S1 E1 It's ThursdayOct 14, 2021 · 50 minLennon Grant returns home after her first year at college and discovers that someone knows the terrible secret she and her OG crew of…Episode details →

I Know What You Did Last Summer It's Not Just for Dog Shit

S1 E2 It's Not Just for Dog ShitOct 14, 2021 · 49 minThe estranged friends reunite to try and figure who might have revealed their secret or who else knows what they did – which leads…Episode details →

I Know What You Did Last Summer A Gorilla Head Will Not Do

S1 E3 A Gorilla Head Will Not DoOct 14, 2021 · 46 minUnable to go to the authorities without revealing their secret, the crew needs to solve the mystery on their own. More bodies turn up,…Episode details →

I Know What You Did Last Summer Hot Shrimp Salad

S1 E4 Hot Shrimp SaladOct 14, 2021 · 46 minLennon uncovers secrets about her twin and begins to fear the worst about the true identity of the person murdering her friends. The local…Episode details →

I Know What You Did Last Summer Mukbang

S1 E5 MukbangOct 21, 2021 · 44 minThe police question everyone in town with any connection to the victims. The crew think they know who is after them and hunt for…Episode details →

I Know What You Did Last Summer Least You Had a Spare

S1 E6 Least You Had a SpareOct 28, 2021 · 44 minMore devastating truths are unearthed by Lennon as the crew frantically search for one of their own who has gone missing.Episode details →

I Know What You Did Last Summer If Only Dogs Could Talk

S1 E7 If Only Dogs Could TalkNov 4, 2021 · 48 minThe town races to find the killer before another victim is claimed. Calm seems to be restored as the killing stops until the police…Episode details →

I Know What You Did Last Summer Your Next Life Could Be So Much Happier

S1 E8 Your Next Life Could Be So Much HappierNov 11, 2021 · 58 minLennon and her surviving friends confront painful truths from the past as the shocking truth of the killer's identity is finally revealed – with…Episode details →