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Mystery•Drama

The Best Episodes of I Know What You Did Last Summer

Every episode of I Know What You Did Last Summer ranked from best to worst. Let's dive into the Best Episodes of I Know What You Did Last Summer!

Binge this in 6h 32m•Peaking at 6.4/10

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,

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  1. #1 Fan Favorite
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    I Know What You Did Last Summer Season 1 Episode 1 - It's Thursday
    6.4/10(10 votes)

    #1 - It's Thursday

    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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  2. I Know What You Did Last Summer Season 1 Episode 4 - Hot Shrimp Salad
    5.8/10(9 votes)

    #2 - Hot Shrimp Salad

    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 3 - A Gorilla Head Will Not Do
    5.7/10(9 votes)

    #3 - A Gorilla Head Will Not Do

    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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  4. I Know What You Did Last Summer Season 1 Episode 6 - Least You Had a Spare
    5.6/10(8 votes)

    #4 - Least You Had a Spare

    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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  5. I Know What You Did Last Summer Season 1 Episode 7 - If Only Dogs Could Talk
    5.6/10(8 votes)

    #5 - If Only Dogs Could Talk

    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 2 - It's Not Just for Dog Shit
    5.3/10(9 votes)

    #6 - It's Not Just for Dog Shit

    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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    The 20 WORST 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
    5.0/10(8 votes)

    #7 - Mukbang

    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
    4.6/10(8 votes)

    #8 - Your Next Life Could Be So Much Happier

    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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Best Episodes Summary

"It's Thursday" is the best rated episode of "I Know What You Did Last Summer". It scored 6.4/10 based on 10 votes. Directed by Craig William Macneill and written by Unknown, it aired on 10/14/2021. This episode scored 0.6 points higher than the second highest rated, "Hot Shrimp Salad".