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Where to watch I Know What You Did Last Summer (2021)
I Know What You Did Last Summer is streaming on Prime Video in 133 countries and MovistarTV in 3 countries. In the US, you can watch it on Prime Video. In the UK, you can watch it on Prime Video.
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.
Also available regionally
MovistarTV
Quick answers
Is I Know What You Did Last Summer on Netflix?
No. I Know What You Did Last Summer isn't on Netflix in any country right now.
Is I Know What You Did Last Summer on Prime Video?
Yes, I Know What You Did Last Summer is on Prime Video in 133 countries, including the US, the UK and Canada.
Is I Know What You Did Last Summer on Disney+?
No. I Know What You Did Last Summer isn't on Disney+ in any country right now.
Is I Know What You Did Last Summer on Max?
No. I Know What You Did Last Summer isn't on Max in any country right now.
Where can I watch I Know What You Did Last Summer in the US?
In the US, I Know What You Did Last Summer is streaming on Prime Video.
Where can I watch I Know What You Did Last Summer in the UK?
In the UK, I Know What You Did Last Summer is streaming on Prime Video.
Where can I watch I Know What You Did Last Summer in Canada?
In Canada, I Know What You Did Last Summer is streaming on Prime Video.
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Last updated October 6, 2026.