TV I Know What You Did Last Summer - Season 1 I Know What You Did Last Summer - Season 1 6.4/10 by 226 users 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. Details Casts Posters Images Title I Know What You Did Last Summer - Season 1 Alternative Titles First Air Date 2021-10-14 Last Air Date 2021-11-11 Number of Episodes 8 Number of Seasons 1 Genres Mystery, Drama, Networks Prime Video, Casts Madison Iseman, Bill Heck, Brianne Tju, Zeke Goodman, Ashley Moore, Fiona Rene, Cassie Beck, Brooke Bloom Plot Keywords , Lennon / Alison Madison Iseman Bruce Bill Heck Margot Brianne Tju Dylan Zeke Goodman Riley Ashley Moore Lyla Fiona Rene Courtney Cassie Beck Clara Brooke Bloom Episodes List I Know What You Did Last Summer Season 1 :Episode 1 It's Thursday It's Thursday 2021-10-14 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... I Know What You Did Last Summer Season 1 :Episode 2 It's Not Just for Dog Shit It's Not Just for Dog Shit 2021-10-14 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... I Know What You Did Last Summer Season 1 :Episode 3 A Gorilla Head Will Not Do A Gorilla Head Will Not Do 2021-10-14 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... I Know What You Did Last Summer Season 1 :Episode 4 Hot Shrimp Salad Hot Shrimp Salad 2021-10-14 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... I Know What You Did Last Summer Season 1 :Episode 5 Mukbang Mukbang 2021-10-21 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... I Know What You Did Last Summer Season 1 :Episode 6 Least You Had a Spare Least You Had a Spare 2021-10-28 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... I Know What You Did Last Summer Season 1 :Episode 7 If Only Dogs Could Talk If Only Dogs Could Talk 2021-11-04 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... I Know What You Did Last Summer Season 1 :Episode 8 Your Next Life Could Be So Much Happier Your Next Life Could Be So Much Happier 2021-11-11 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...