I Know What You Did Last Summer Facts, FAQ & Common Questions
2021 · Prime Video · Status: Canceled · Rated: TV-MA
Frequently Asked Questions About I Know What You Did Last Summer
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does I Know What You Did Last Summer have?
I Know What You Did Last Summer has 1 season and 8 total episodes, spanning from its premiere on October 14, 2021.
Is I Know What You Did Last Summer renewed, ended, or canceled?
I Know What You Did Last Summer has been officially canceled and will not return for additional seasons.
How long does it take to binge watch I Know What You Did Last Summer?
It takes 6h 32m (392 minutes) to watch the complete run of I Know What You Did Last Summer. At a standard pace of 2 hours per day, you will finish the entire series in approximately 4 days. Yes! At 6.5 hours total, you can comfortably finish this in a single weekend with about 3.3 hours per day.
Where can you stream or watch I Know What You Did Last Summer?
I Know What You Did Last Summer is available for streaming on Digital on-demand platforms & broadcast archives. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for I Know What You Did Last Summer?
I Know What You Did Last Summer has an official content rating of TV-MA. It is intended for mature adult audiences and may contain explicit language, intense violence, or sexual themes.
Who are the lead actors in I Know What You Did Last Summer?
The primary ensemble cast includes Madison Iseman as Lennon / Alison (age 29), Bill Heck as Bruce (age 47), Brianne Tju as Margot (age 28), Zeke Goodman as Dylan.
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Madison Iseman | Lennon / Alison | 29 |
| Bill Heck | Bruce | 47 |
| Brianne Tju | Margot | 28 |
| Zeke Goodman | Dylan | – |
| Ashley Moore | Riley | 33 |
| Fiona Rene | Lyla | 38 |
| Cassie Beck | Courtney | – |
| Brooke Bloom | Clara | 47 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for I Know What You Did Last Summer are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.