Episode guide

S1·E1 It's Thursday

Core Aired October 14, 2021

Synopsis

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.

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Frequently Asked Questions

When did Season 1 Episode 1 of I Know What You Did Last Summer air?

Season 1, Episode 1 ('It's Thursday') originally aired on October 14, 2021.

How long is Season 1 Episode 1 ('It's Thursday')?

The episode follows the standard broadcast runtime for I Know What You Did Last Summer.

What happens in I Know What You Did Last Summer Season 1 Episode 1?

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....

All I Know What You Did Last Summer episode ratings Season 1 Where to watch

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