Shinkai Haru is an ordinary first year in middle school. But one day, the search app Appmon, Gatchmon, jumps out of his phone! Who'd have thought that there were App Monsters living inside your smartphone?!

The navigation apps people use to get around town are going haywire! Where's everyone going?! And could an Appmon be behind this?!

A popular smartphone RPG's data is getting erased, so that players' hard-leveled characters end up in their birthday suits! Meanwhile, interfaces across the city are starting to act like they're part of the game!

Halloween is in town! While Haru is busy reading, Gatchmon heads out on his own. What's with the picture that gets sent to Haru's smartphone? What's going on in the city?!

Haru assumed he had the only App Drive in the world, but then he sees one fall out of newcomer idol Karan Eri's bag! They go to the TV studio to find out the truth, but security is strict! What's the plan, Haru?!

Eri gets a gig as a restaurant reviewer, but it turns out she's not very good at it! For advice, she seeks out a mysterious figure behind a popular food review app.

Asuka Torajiro, AKA Astora, is a popular AppTuber on a video streaming site. But is that... an App Drive appearing in one of his funny videos? Could he be an App Driver too?!

A powerful rival to Astora appears! Astora's own funny videos start getting lots of dislikes... which leads to a fight with Musimon?!

It's a grand rally for all the Appmon who've appeared so far! The Appmon ranking tournament begins, featuring... a 100 meter dash, karuta, and a portrait competition?! Who will be declared the ultimate Appmon?!

Mailmon arrives with an invitation to the "Seven Code Meetup"! Ropuremon and Gomimon head out with everyone! But doesn't it seem like Mailmon is acting strange...?

The mysterious hacker Rei and Hackmon appear, and all of Haru's Seven Code Appmon get stolen! They'll have to dive into the sea of the 'net and get them back!

The one who saves Haru and the others from Sakushimon's attack is... Rei?! But isn't he an enemy? Rei faces Sakushimon solo to try to retrieve his little brother Hajime! But what does Haru do next?!

The dates of December 24th and 25th disappear from smartphone calendars worldwide! Ai is despondent at the thought that the Kashinoki Books Christmas celebration might not go through. But just then, Gatchmon sees something!

Haru and his friends enjoy writing New Year's resolutions. Meanwhile, out in the city, chaos breaks out when puzzle games start appearing on screen displays! The screens won't work unless you solve the puzzle... what do we do?!

The team visits the fortune-telling app Appmon, Tellermon, to find the location of the next Seven Code Appmon!

At last, the secret of the App Drives comes out! The one who called to Haru from the App Drive turns out to be a very unexpected person! And where does a certain picture lead them?

The Fujimizaka New Year Festival will feature a guest performance by Karan Eri of Appliyama 470! But Copipemon works some mischief to fill the town with Eri videos! Will the concert to celebrate her new CD be canceled?!

L-Corp's newest GPS game is a worldwide hit, and players converge on a seaside park searching for a super rare treasure! Haru and friends try to find it, too, but Resshamon causes a runaway train panic!

It's Valentine's Day in the city, but everyone's smartphones are in danger! Updating Waffle OS, the operating system used by 70% of the world's phones, is causing them to freeze up and die.

Astora's going to train for two years?! While he struggles over whether to pursue his dream as a YouTuber, Dreammon presents him with a choice. Meanwhile, his father fails to return from his daily workout.

Eri wants to become one of the selected members of Appliyama 470! To pass the audition, she undergoes strict training under Coachmon's tutelage! But is Coachmon secretly working for Leviathan?!

Two years ago, Rei was spending sleepless hours searching for his brother trapped in the sea of the 'net. But just as he caught Leviathan's trail, he ended up in danger of being hacked himself! Just then... Hackmon appeared!

The team can't reach the deep web until they take back Weatherdramon! As they race to retrieve the stolen chip from Mienumon, she too undergoes an App Fusion with an Ultimate Appmon!

It's time to put the Seven Code Chips into the Seven Code Pad and summon Dantemon! But what's that thing coming down from the sky?!

With the Seven Code Bands in hand, Haru and the others dive into the deep web! In Leviathan-controlled Cyber Kowloon, they manage to save Drawmon from a data-destroying program worm.

The mystery of Leviathan is close to being solved! Time to look back on how Haru and the others met, and the hardest battles they've faced, while steeling our nerves to face off against Leviathan!

Eri's decided to start using Appter. But it starts producing tweets without her knowledge... Meanwhile, a powerful Leviathan assassin attacks the team! Who will appear to save them in their most dangerous hour?!

The battle with Sateramon is going south fast! But the one who comes to save them is Yujin, who's partnered with Offmon and uses the powerful App Drive Duo!

Everyone's crazy about Offmon! Gatchmon is sulking about it, and decides to flee the secret base in Apprealized form! Dokamon and Musimon decide to run away with him too.

Eri's become a true master food reviewer! The female Perorimon, Maripero, comes to Eri to learn her secrets! But why does Dokamon have to look after her, then?!