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Episodes (8)
Oct 15, 2021
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.
Oct 15, 2021
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.
Oct 15, 2021
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.
Oct 15, 2021
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.
Oct 22, 2021
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.
Oct 29, 2021
More devastating truths are unearthed by Lennon as the crew frantically search for one of their own who has gone missing.
Nov 05, 2021
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.
Nov 12, 2021
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.
About
I Know What You Did Last Summer Season 1 (2021) is released on Oct 15, 2021. Watch I Know What You Did Last Summer online - the English Drama TV series from United States. I Know What You Did Last Summer is directed by Logan Kibens,Craig William Macneill,Ben Semanoff and created by Lana Cho with Madison Iseman and Bill Heck.