Watch Movie I Know What You Did Last Summer - 9movies

I Know What You Did Last Summer

A group of friends are terrorised by a stalker who knows about a gruesome incident from their past.

Starring:

Jonah Hauer-King, Madelyn Cline, Chase Sui Wonders

Genre:

Horror

Find Other Versions

Safe/legal ways to watch I Know What You Did Last Summer

Subscription platforms: Netflix, Disney+, Amazon Prime Video, Apple TV+, HBO Max/Max (region-dependent), Viu.
Ad‑supported legal services: Tubi, Pluto TV, Crackle, Peacock (where available).
Rent or buy: Google Play Movies, Apple iTunes, Amazon.
Library & public options: Kanopy, Hoopla (free with many library cards or universities).
Official YouTube channels: Some studios and distributors post full films legally.

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