The essential episodes of One Week Friends

Watch these 12 in order and you've got One Week Friends — each pick states its reason.

1. 01

   S01E01 · Pilot · April 7, 2014 · 24m

   Beginning of a Friendship5.5

   Hase notices that Kaori seems very detached from the rest of her classmates. Making a daring move, he asks to be her friend, only to find out that at the beginning of every week she forgets everything, and everyone, from the week before.

2. 02

   S01E02 · Top rated · April 14, 2014 · 24m

   How to Spend Time With Friends5.0

   A new week means a new introduction between Hase and Fujimiya. After they get to know each other again, Hase suggests to Fujimiya that she should keep a diary.

3. 03

   S01E03 · Top rated · April 21, 2014 · 24m

   Friends of Friends5.0

   Hase convinces his friend Shogo to eat lunch with him and Fujimiya. Ever the pessimist, Shogo doubts Fujimiya's claim of her memory loss.

4. 04

   S01E04 · Top rated · April 28, 2014 · 24m

   Fighting With Friends5.0

   Hase begins to grow increasingly jealous of Kiryu and Fujimiya's relationship. After getting in their very first fight, Fujimiya's loses something dear to her while on her way home.

5. 05

   S01E05 · Top rated · May 5, 2014 · 24m

   New Friends5.0

   Yamagishi Saki inserts herself into Fujimiya's circle of trust. Together, they experience the joyous moments of friendship others take for granted. Hase has his doubts about the new girl, and trails them as they go out on a "date".

6. 06

   S01E06 · Top rated · May 12, 2014 · 24m

   Mothers of Friends5.0

   Fujimiya brings her new friends over for a study session at her home. Fujimiya's mother dotes on them all, as all mothers do, excited to see her daughter with friends. Later, Hase meets Fujimiya's mother at the park, and she reveals what she knows about her daughter's memory issues.

7. 07

   S01E07 · Top rated · May 19, 2014 · 24m

   Friends of "Ah" / Friends of ''Whew''5.0

   While Fujimiya continues making new friends, Hase begins to miss the times when it was just the two of them. With summer break coming up soon, Hase realizes that they wont be able to meet regularly anymore.

8. 08

   S01E08 · Top rated · May 26, 2014 · 24m

   The Beach With Friends5.0

   Fujimiya and her growing circle of friends take a trip out to the beach, where Shogo helps Hase discover his true feelings for Fujimiya.

9. 09

   S01E09 · Top rated · June 2, 2014 · 24m

   Last Day With Friends5.0

   The four friends get together on the last day of Summer break to finish up assignments Yuki learns about how much of a difference he's made in Kaori's life.

10. 10

    S01E10 · Top rated · June 9, 2014 · 24m

    Friends and Friends5.0

    Hajime has essentially undone all of Yuki's progress with Kaori after some less than savoury facto come to light. Is the girl he once knew gone forever?

11. 11

    S01E11 · Top rated · June 16, 2014 · 24m

    Important Friend5.0

    Yuki, still interested in being friends with Kaori, sets out to find out why Kaori grew upset with her.

12. 12

    S01E12 · Series finale · June 23, 2014 · 24m

    Please Be My Friend5.0

    It becomes apparent to Yuki why Kaori is losing her memory so he decides it best to keep his distance from her in order to preserve her memory.