I Know What You Did Last Summer: Season 1
I Know What You Did Last Summer season 1 is available in the US on Amazon Prime Video, Amazon Video, Apple TV Store, Fandango At Home, and 1 more.
Where to Watch in the US
I Know What You Did Last Summer season 1 streaming guide
I Know What You Did Last Summer season 1 (2021) has 8 episodes. In the US, it’s available on Amazon Prime Video, Amazon Video, Apple TV Store, and Fandango At Home. The season premiered on October 14, 2021. The last episode aired on November 11, 2021.
Season 1 Episodes
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.
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.
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.
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.
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.
More devastating truths are unearthed by Lennon as the crew frantically search for one of their own who has gone missing.
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.
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.
In the US, I Know What You Did Last Summer season 1 is available on Amazon Prime Video, Amazon Video, and Apple TV Store. This episode list is updated as new episodes air.
Frequently Asked Questions
Where can I watch I Know What You Did Last Summer season 1?
I Know What You Did Last Summer season 1 is available in the US on Amazon Prime Video, Amazon Video, Apple TV Store, Fandango At Home, and Amazon MX Player. The episode list and Watch links are on this page.
How many episodes does I Know What You Did Last Summer season 1 have?
I Know What You Did Last Summer season 1 has 8 episodes; the first episode aired on October 14, 2021.
Where can I watch I Know What You Did Last Summer season 1 episode 1?
I Know What You Did Last Summer season 1 episode 1 (“It's Thursday”) is available in the US on Amazon Prime Video, Amazon Video, Apple TV Store, Fandango At Home, and Amazon MX Player, along with the rest of the season.
When did I Know What You Did Last Summer season 1 come out?
I Know What You Did Last Summer season 1 premiered on October 14, 2021.
What audio and subtitle options does I Know What You Did Last Summer season 1 have?
Audio and subtitle options for I Know What You Did Last Summer season 1 depend on the platform; US streaming services usually offer English closed captions (CC).