fraeon
Films
BrowseTop 250
Series
TV ShowsAnimeTop 250 TVTop 100 Anime
Games
BrowseTop 100
Books
BooksMangaTop 125 BooksTop 100 Manga
For youTrendingTier ListsThe ArchiveLeaderboard
Log inSign up free
fraeon

Everything you watch, play and read — tracked, rated and remembered in one library.

Explore

  • Films
  • TV
  • Anime
  • Games
  • Books
  • Manga

Discover

  • Trending
  • Leaderboard
  • Find people
  • Lists
  • Tier lists

Company

  • Tour
  • About
  • Community guidelines
  • Privacy
  • Terms
  • Contact

© 2026 fraeon. All rights reserved. ·

Metadata from TMDB, RAWG, Jikan & Open Library. This product uses the TMDB API but is not endorsed or certified by TMDB.

Questions or ideas? mehmet@avortas.com

HomeFeedProfile
Fastening Days 4

Fastening Days 4

2019 1 seasons 3 eps≈ 0h totalEndedYouTubeAnimation

Yoji, Kei, Kelly, and the bear-shaped robot Oscar save the town yet again using Fastening Machines! This time, they meet a kindhearted young boy named Samhen and his AI robot Jack. Shy Samhen, who transfers into Kei and Kelly's class, doesn't seem to like talking about himself much, but his chatty little buddy Jack is more than happy to help him communicate. One peaceful afternoon, the young heroes must protect the town from sudden and serious danger! Will they be able to save everyone? Pay attention to the bond between AI and humans, which the children take action to protect!

3.0/5

TMDB score· 2 votes

Synopsis

Yoji, Kei, Kelly, and the bear-shaped robot Oscar save the town yet again using Fastening Machines! This time, they meet a kindhearted young boy named Samhen and his AI robot Jack. Shy Samhen, who transfers into Kei and Kelly's class, doesn't seem to like talking about himself much, but his chatty little buddy Jack is more than happy to help him communicate. One peaceful afternoon, the young heroes must protect the town from sudden and serious danger! Will they be able to save everyone? Pay attention to the bond between AI and humans, which the children take action to protect!

Cast

Fuyuka OnoFuyuka OnoYoji (voice)
Ryoko ShiraishiRyoko ShiraishiKei (voice)
Akemi KandaAkemi KandaKelly (voice)
Sayuri YahagiSayuri YahagiSamhen (voice)
Rie KugimiyaRie KugimiyaJack (voice)
Ami MatsushimaAmi MatsushimaSamhen's mother (voice)
Hikaru AkaoHikaru AkaoGirl 1 (voice)
Hana SatoHana SatoGirl's mother (voice)
Yasunao SakaiYasunao SakaiMan 1 (voice)
Naoya NakanishiNaoya NakanishiMan 2 (voice)
Yuu AyaseYuu AyaseChild (boy) (voice)
Saya HiroseSaya HiroseTeacher (voice)

Network

YouTube

Status

Ended

Seasons

1

Episodes

3

Episode length

3 min

Total runtime

≈ 0h

First aired

2019

Country

Japan

Genres

Animation

Similar shows

My Melody & Kuromi

When My Melody's visit to the Cloud Kingdom leads to a whirlwind of trouble, can she, Kuromi and their friends save their home before it's too late?

4.2

My Melody & Kuromi

2025

Cloudy with a Chance of Meatballs

The series is a prequel, featuring the high school years of Flint Lockwood, the eccentric young scientist in the films. In his adventures, he will be joined by Sam Sparks, a new girl in town and the school's "wannabe" reporter, along with Flint's dad Tim, Steve the Monkey, Manny as the head of the school's audiovisual club, Earl as a school gym teacher, Brent as a baby wear model, and Mayor Shelbourne, who wins every election on the pro-sardine platform.

3.0

Cloudy with a Chance of Meatballs

2017

Doraemon

Robotic cat Doraemon is sent back in time from the 22nd century to protect 10-year-old Noby, a lazy and uncoordinated boy who is destined to have a tragic future. Doraemon can create secret gadgets from a pocket on his stomach, but they usually cause more bad than good because of Noby's propensity to misuse them.

4.0

Doraemon

2005

PAW Patrol

Marshall, Rocky, Rubble, Zuma and Skye are doing their best to protect the people of their town. Led by Ryder, a tech-savvy 10-year-old boy, each of them is equipped with special equipment and together they help anyone who finds themselves in trouble. No task is too big for them and no puppy is too small.

3.5

PAW Patrol

2013

Generator Rex

Generator Rex, an average teenager with the ability to turn his body into amazing machines, helps the secret organization Providence save the world from the nanite threat and dangerous EVO monsters.

4.3

Generator Rex

2010

Rugrats

A reinvention of the beloved 90s cartoon, Rugrats follows a group of adventurous babies as they discover the big world around them. Led by Tommy Pickles, this toddler crew explores the world from their pint-sized and wildly imaginative perspective.

3.5

Rugrats

2021

Special Agent Oso

Special Agent Oso is an adorable stuffed bear and an agent-in-training! Oso is always eager to help, even if he doesn't always get things right.

3.7

Special Agent Oso

2009

Red Baron

In the year 2050 the world population is crazy about the "Metal Fight", a competition where people compete in battles featuring giant robots. An organization called Iron Mask is planning on transforming Metal Fight competitors and their robots into weapons, and tries to kidnap Shoko Saeba, a robot programmer who created the Red Baron, which uses a feedback system. Ken Kurenai is able to protect Sally and the Red Baron, and becomes Metal Fight World Champion in the process. Iron Mask then decides to send out their forces to take Ken and the Red Baron out forever.

4.0

Red Baron

1994

Kiff

This series follows Kiff, an optimistic squirrel whose best intentions often lead to complete chaos, and her best friend Barry, a sweet and mellow bunny. Set in the bustling mountains, where animals and magical creatures live together in harmony, the series features the duo, who take the town by storm with their endless adventures and zest for life.

4.2

Kiff

2023

G.I. Joe: A Real American Hero

An elite team of soldiers thwart the evil Cobra organization's desire for world domination at every turn, cleverly stopping them from controlling the weather, creating unstoppable weapons, and genetically engineering super-warriors.

3.8

G.I. Joe: A Real American Hero

1983

Chip 'n' Dale Rescue Rangers

Chip and Dale head a small, eccentric group of animal characters who monitor not only the human world, but the animal community as well, solving mysteries wherever they may be. The "Rescue Rangers" take the cases that fall through the cracks.

3.8

Chip 'n' Dale Rescue Rangers

1989

Tom & Jerry Kids Show

Tom and Jerry in their childhood days, playing cat-and-mouse games even then.

3.2

Tom & Jerry Kids Show

1990

Yin Yang Yo!

Two 11-year-old rabbit twins named Yin and Yang train under Master Yo, a grumpy old panda. They learn the sacred art of Woo Foo, a special type of martial arts that involves both might and magic. They must work together to save the world from evil villains and forces that want to destroy, corrupt or take it over. However, through all these adventures, Yin and Yang still portray stereotypical siblings; belligerently antagonistic but still ultimately caring about each other and working together if needed.

3.8

Yin Yang Yo!

2006

Big Hero 6 The Series

Picking up immediately following the events in the feature film, these are the continuing adventures and friendship of 14-year-old tech genius Hiro and his compassionate, cutting-edge robot Baymax. As the new prodigy at San Fransokyo Institute of Technology, Hiro now faces daunting academic challenges and the social trials of being the little man on campus. Off campus, the stakes are raised for the high-tech heroes as they must protect their city from an array of scientifically enhanced villains.

3.8

Big Hero 6 The Series

2017

Gunbuster

In the near future, humanity has taken its first steps towards journeying into the far reaches of the galaxy. Upon doing so they discover a huge race of insectoid aliens known as "Space Monsters." These aliens seem dedicated to the eradication of mankind as they near closer and closer to discovering Earth. In response, humanity develops giant fighting robots piloted by hand-picked youth from around the world. Shortly after the discovery of the aliens, Noriko Takaya, the daughter of a famous deceased space captain, enters a training school despite her questionable talents as a pilot. There, she meets her polar opposite, the beautiful and talented Kazumi Amano, and is unexpectedly made to work together with her as they attempt to overcome the trauma of war as well as their own emotions.

3.8

Gunbuster

1988

Curious George

With the help of his friend “The Man in the Yellow Hat,” a curious little monkey named George sets out on adventures to learn about the world around him.

3.6

Curious George

2006

Patlabor: The TV Series

Patlabor: The TV Series is an anime television series, created by Headgear, animated by Sunrise, and based on the Patlabor anime franchise.

3.6

Patlabor: The TV Series

1989

Transformers: EarthSpark

The Malto Family’s world turns upside down when the Terrans, the first Earthborn Transformers robots, spark to life. The Terrans will forge an alliance between the human Malto family and the legendary Autobots, uniting them in a shared mission.

3.6

Transformers: EarthSpark

2022

Reviews

No reviews yet — be the first to write one from the Log screen.

Quotes

No quotes yet.

Discussions

Your episodes

123
S1

Your episode ratings · tap a cell to mark it watched