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The Best Episodes of I Know What You Did Last Summer Season 1

Every episode of I Know What You Did Last Summer Season 1 ranked from best to worst. Discover the Best Episodes of I Know What You Did Last Summer Season 1!

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.

Genres:DramaMystery
Network:Prime Video

Season 1 Ratings Summary

The best episode of "I Know What You Did Last Summer" season 1 is "It's Thursday", rated 6/10 from 661 user votes. It was directed by Craig William Macneill and written by N/A. "It's Thursday" aired on 10/14/2021 and is rated 0.5 point(s) higher than the second highest rated, "It's Not Just for Dog Shit".

  • It's Thursday
    6.0/10 661 votes

    #1 - It's Thursday

    Season 1 Episode 1 - Aired 10/14/2021

    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.

    Director: Craig William Macneill

    Writer: N/A

  • It's Not Just for Dog Shit
    6.5/10 536 votes

    #2 - It's Not Just for Dog Shit

    Season 1 Episode 2 - Aired 10/14/2021

    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.

    Director: Craig William Macneill

    Writer: Sara Goodman

  • A Gorilla Head Will Not Do
    6.4/10 475 votes

    #3 - A Gorilla Head Will Not Do

    Season 1 Episode 3 - Aired 10/14/2021

    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.

    Director: Logan Kibens

    Writer: Johanna Stokes

  • Hot Shrimp Salad
    6.6/10 476 votes

    #4 - Hot Shrimp Salad

    Season 1 Episode 4 - Aired 10/14/2021

    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.

    Director: Logan Kibens

    Writer: Phoebe Fisher

  • Mukbang
    6.1/10 409 votes

    #5 - Mukbang

    Season 1 Episode 5 - Aired 10/21/2021

    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.

    Director: Benjamin Semanoff

    Writer: Gary Tieche

  • Least You Had a Spare
    6.4/10 390 votes

    #6 - Least You Had a Spare

    Season 1 Episode 6 - Aired 10/28/2021

    More devastating truths are unearthed by Lennon as the crew frantically search for one of their own who has gone missing.

    Director: Benjamin Semanoff

    Writer: Lana Cho

  • If Only Dogs Could Talk
    6.3/10 389 votes

    #7 - If Only Dogs Could Talk

    Season 1 Episode 7 - Aired 11/4/2021

    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.

    Director: Logan Kibens

    Writer: Chaconne Martin-Berkowicz

  • Your Next Life Could Be So Much Happier
    4.7/10 493 votes

    #8 - Your Next Life Could Be So Much Happier

    Season 1 Episode 8 - Aired 11/11/2021

    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.

    Director: Logan Kibens

    Writer: Sara Goodman