7.8/10148 votes#1 - Capella
Season 1 Episode 1 - Aired 4/11/2023
When Ganta Nakami goes into the observatory, rumored to be haunted, he finds his classmate Isaki Magari sound asleep! They learn they're both struggling with the same problem.
Director: Yuuki Ikeda
Writer: Rintarou Ikeda
7.8/10126 votes#2 - Mu Scorpii
Season 1 Episode 2 - Aired 4/18/2023
Ganta and Isaki have experienced lonely nights as they each struggle with sleeplessness. They form a "Nightly Fun Society" using the observatory as a secret base.
Director: Taisuke Mamori
Writer: Rintarou Ikeda
7.8/10121 votes#3 - Fomalhaut
Season 1 Episode 3 - Aired 4/25/2023
When another student expresses interest in joining the Astronomy Club, it makes things a lot more complicated for Ganta!
Director: Fumihiro Matsui
Writer: Rintarou Ikeda
7.8/10112 votes#4 - Venus
Season 1 Episode 4 - Aired 5/2/2023
Ganta invites Isaki to the fireworks festival, swearing that they'd only be going together for "photography practice", and Isaki promptly accepts.
Director: Rokou Ogiwara
Writer: Rintarou Ikeda
8.7/10144 votes#5 - Canopus
Season 1 Episode 5 - Aired 5/9/2023
On a cloudy seaside class trip, Isaki makes a promise with Ganta to meet on the beach under the starry sky if the weather clears up.
Director: Yasuyuki Shinozaki
Writer: Rintarou Ikeda
7.8/10106 votes#6 - Shooting Star
Season 1 Episode 6 - Aired 5/16/2023
The heat is unbearable! The lack of AC doesn’t help. Even the breeze is too warm. It's almost too hot to take pictures.
Director: Taisuke Mamori
Writer: Rintarou Ikeda
8.6/10110 votes#7 - The Fireworks Star
Season 1 Episode 7 - Aired 5/23/2023
Isaki and Ganta try to hand out fliers at the Shokusai Market for a meteor shower viewing party. Will anyone take them up on their offer?
Director: Kazuya Fujishiro
Writer: Rintarou Ikeda
8.5/1094 votes#8 - The Congregation Star
Season 1 Episode 8 - Aired 5/30/2023
It's almost time for summer break! If that weren't enough to be excited about, the Astronomy Club plans a meteor shower viewing party.
Director: Daiki Handa
Writer: Rintarou Ikeda
8.2/1091 votes#9 - Altair and Vega
Season 1 Episode 9 - Aired 6/6/2023
After the viewing party was rained out, Ganta plans to shoot pictures of the starry night sky and then use them to enter a contest.
Director: Rokou Ogiwara
Writer: Rintarou Ikeda
8.8/1095 votes#10 - Spica of Virgo
Season 1 Episode 10 - Aired 6/13/2023
Despite starting a part-time job, Ganta hasn’t raised enough money for training camp. But thanks to Isaki staying at her grandmother's house, their problems are solved.
Director: Sota Yokote
Writer: Rintarou Ikeda
8.8/10109 votes#11 - The First Stars of Dawn
Season 1 Episode 11 - Aired 6/20/2023
On the second day of their training camp, Ganta and Isaki's adventure begins with a trip to Mitsukejima.
Director: Kazunari Araki
Writer: Rintarou Ikeda
8.6/1086 votes#12 - Planet
Season 1 Episode 12 - Aired 6/27/2023
With their chaperone Haya now gone, Ganta and Isaki are left all alone at her grandmother's house.
Director: Akira Toba
Writer: Rintarou Ikeda
9.1/1092 votes#13 - Methuselah
Season 1 Episode 13 - Aired 7/4/2023
Isaki's parents find out that she and Ganta have been staying all by themselves. Naturally, they demand that Isaki come home right away, but she refuses.
Director: Yuuki Ikeda, Kayona Yamada
Writer: Rintarou Ikeda
The Best Episodes of Insomniacs After School Season 1
Every episode of Insomniacs After School Season 1 ranked from best to worst. Discover the Best Episodes of Insomniacs After School Season 1!
Ganta Nakami is a high school student who suffers from insomnia. He meets Isaki Magari, a girl with the same condition. A relationship forms as...
Genres:AnimationComedyDrama
Network:TV Tokyo
Season 1 Ratings Summary
"Capella" is the best rated episode of "Insomniacs After School" season 1. It scored 7.8/10 based on 148 votes. Directed by Yuuki Ikeda and written by Rintarou Ikeda, it aired on 4/11/2023. This episode is rated 0.0 points higher than the second-best, "Mu Scorpii".