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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!

Binge this in 6h 25m·Peaking at 6.5/10
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Episode Rankings

  1. #1 Fan Favorite
    I Know What You Did Last Summer Season 1 Episode 2 - It's Not Just for Dog Shit
    6.5/10(644 votes)

    S1:E2

    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

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  2. I Know What You Did Last Summer Season 1 Episode 4 - Hot Shrimp Salad
    6.5/10(572 votes)

    S1:E4

    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

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  3. I Know What You Did Last Summer Season 1 Episode 6 - Least You Had a Spare
    6.4/10(480 votes)

    S1:E6

    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

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  4. I Know What You Did Last Summer Season 1 Episode 3 - A Gorilla Head Will Not Do
    6.3/10(572 votes)

    S1:E3

    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

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  5. I Know What You Did Last Summer Season 1 Episode 7 - If Only Dogs Could Talk
    6.2/10(485 votes)

    S1:E7

    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

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  6. I Know What You Did Last Summer Season 1 Episode 1 - It's Thursday
    6.1/10(788 votes)

    S1:E1

    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:Unknown

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    The 20 BEST Episodes of I Know What You Did Last Summer

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  7. I Know What You Did Last Summer Season 1 Episode 5 - Mukbang
    6.1/10(505 votes)

    S1:E5

    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

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  8. I Know What You Did Last Summer Season 1 Episode 8 - Your Next Life Could Be So Much Happier
    4.7/10(600 votes)

    S1:E8

    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

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Season 1 Ratings Summary

"It's Not Just for Dog Shit" is the best rated episode of I Know What You Did Last Summer season 1. It scored 6.5/10 from 644 votes. Directed by Craig William Macneill and written by Sara Goodman, it aired on October 14, 2021.