Full series · 1 credit per episode

Watch I Know What You Did Last Summer online in HD

6.42021 · Canceled1 seasons8 episodesHD · Subtitles

Watchlist

Sign in to watch I Know What You Did Last Summer S1E1

Playback is credit-based: 1 credit for this episode. Create an account to start.

1 credit = $1 · films $5 · episodes $1

“No one is safe.”

About I Know What You Did Last Summer

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.

I Know What You Did Last Summer runs for 1 season, created by Sara Goodman. Every episode page keeps the show's order, so you can watch from the pilot to the finale without hunting for the next link. Episodes are bought individually for 1 credit.

Start watching

Episodes

Season 1 · 8 episodes

It's Thursday

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.

2021-10-14 50m★ 6.2Now playing

It's Not Just for Dog Shit

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.

2021-10-14 49m★ 5.5

A Gorilla Head Will Not Do

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.

2021-10-14 46m★ 5.8

Hot Shrimp Salad

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.

2021-10-14 46m★ 5.9

Mukbang

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.

2021-10-21 44m★ 5.2

Least You Had a Spare

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

2021-10-28 44m★ 5.6

If Only Dogs Could Talk

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.

2021-11-04 48m★ 5.6

Your Next Life Could Be So Much Happier

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.

2021-11-11 58m★ 4.9

Season 1

I Know What You Did Last Summer FAQ

How much does it cost to watch I Know What You Did Last Summer?

Episodes cost 1 credit each. Credits are $1 each, so a full season costs the number of episodes in credits. Each episode you unlock stays in your account permanently.

Do I need an account to watch I Know What You Did Last Summer?

Yes. Create an account and add credits before unlocking an episode. Signing up is free and only needs an email and password.

How many seasons of I Know What You Did Last Summer are there?

I Know What You Did Last Summer has 1 season on Movy, with 8 episodes in total. Start with season 1 below.

Where should I start watching I Know What You Did Last Summer?

Start with season 1, episode 1. The episode list on this page keeps the order, and the player moves to the next episode when one ends.

Can I watch I Know What You Did Last Summer with subtitles on my phone?

Yes. The player includes a CC menu where available, and the whole site is built for mobile. Fullscreen and picture-in-picture are supported.