A chance encounter with the supernatural butler Whisper opens fifth-grader Nate's eyes to a whole new world of Yo-kai spirits, including the cheeky cat Jibanyan.
Nate meets Hungramps, a Yo-kai triggering hunger pangs outside of a convenience store, and contends with an epidemic of forgetfulness caused by Yo-kai Wazzat. Meanwhile... Manjimutt searches for a new career.
A Valentine's Day visit from the mysterious Yo-kai Illoo has Nate fuming, and a visit from a paranormal investigator has Nate fearing for the safety of his Yo-kai friends. Meanwhile... Manjimutt's search for his ideal job continues.
A class clean-up day is complicated by a visit from a super-motivational Yo-kai, Nate's dentist is inspirited by Negatibuzz, and Signibble interferes with a sleepover party. Meanwhile... Has Manjimutt found his dream career?
Nate makes a new friend in Komasan, a country Yo-kai on his first visit to the city, but struggles when the naysaying Nosirs interfere with his class during a test. Meanwhile... Manjimutt seeks to purify himself through pottery.
Things get desperate at Nate's school when it is visited by Fidgephant, a Yo-kai who makes boys need to use the toilet, and Jibanyan is inspirited by Yo-kai Hidabat. Meanwhile... Manjimutt sets his sights on the biggest dream of all!
Komasan's younger brother Komajiro comes to the city. After a failed treasure hunt, Nate meets the Yo-kai Cadin, who thinks he'll die within a week's time because he was above the Earth.
Nate, Eddie, and Bear's quest to buy the latest video game is led astray by Yo-kai Spenp, and Nate refuses every inquiry after being inspirited by Noway. Meanwhile... Komasan and Komajiro face their greatest challenge yet, and Manjimutt lands in an inescapable island prison.
Komasan tries to explain the concept of cellphones to Komajiro, but Komajiro already has one and is going to meet his friends. While in class, Nate and Whisper discover the farting Yo-kai Cheeksqueek is up to no good.
Under the influence of Yo-kai Chatalie, Bear embarks on a run of stunning boasts, and Nate's awful dancing skills get a surprising boost from a trio of dancing Yo-kai. Meanwhile... Komasan and Komajiro struggle with fast food while Manjimutt finds an unlikely ally in his quest to escape.
Inspirited by Yo-kai Dazzabel, Nate's mother leaves the house for Parent's Day in an outlandish outfit that could turn Nate into the laughingstock of the school. Meanwhile... Komasan tries to impress Komajiro with a trip to the top of a tower, and Manjimutt assembles a crack team for his next escape attempt.
A relaxing afternoon at the hot springs is derailed by Yo-kai Sproink, and Nate is left unable to call for help when he himself is inspirited by Yo-kai Babblong. Meanwhile... Komasan and Komajiro head out for a night on the town, and Manjimutt finds a new companion to help ease his isolation.
The Yo-kai Kyubi arrives in Springdale to steal women's hearts through charm, and sets his sights on stealing Katie's heart next, but cannot seem to succeed.
Nate's classmates leave activities half-finished due to the influence of D'wanna, while Yo-kai Insomni inspirits the whole school with sleeplessness. Meanwhile... Komasan discovers the sweet sorrow of first love.
Nate's mother is inspirited by the food-poaching Yo-kai Grubsnitch, and mechanical Yo-kai B3-NK1 comes in search of the "hero screws" that power machines. Meanwhile... Komasan sets out to protect his crush from unknown dangers.
A trip to the woods is derailed by an encounter with the somber Tengloom, and Whisper is starstruck by a chance meeting with a real Japanese Tengu. Meanwhile... Komasan disguises himself as a human to try and help his crush.
Yo-kai Espy inspirits Katie, granting her the distressing power to read minds, and Peckpocket brings his thieving ways to Nate's school. Meanwhile... Will Komasan reveal his true Yo-kai nature to his human crush?
