The series stars Hat, the descendant of a hero who fought an evil king and sealed Devildom. Hat falls into Devildom and finds he has to defeat the evil king.
Magical Hat (Season 1)
Magical PiPiPi Power (Episode 1)
Writer: Shigemitsu Taguchi
Air date: 1989-10-18
Runtime: 24 min
Overview: A boy named Hat falls into the underworld realm and discovers the evil Lord Jaku, a demon who aspires to become the new king of the underworld, replacing the current king, Aleph. Hat is locked-up and meets with the prince of the underworld, a fellow named Hotdog. With a common enemy in Jaku, the two join forces and escape from their imprisonment. They are quickly re-captured, but are then rescued by an old man named Grandpa Tau. After escaping, Tau takes them to a magical shrine, where Hat discovers that he is part of a long lineage of heroes known as "Magical Hat", and he is the next in line to don the hero's hat, adopting its powers to fight evil, but is he up to the task, and can he use these powers to put an end to Jaku's sinister plans?
It's MudZinger~dogu! (Episode 2)
Air date: 1989-10-25
Runtime: 24 min
The Luster of a Mysterious Island! (Episode 3)
Air date: 1989-11-01
Runtime: 24 min
Kowaru's Pure Love Story (Episode 4)
Air date: 1989-11-08
Runtime: 24 min
Fight! Restoration of the Golden Domain (Episode 5)
Air date: 1989-11-15
Runtime: 24 min
Pe! Pe! Petamos' Grand Gathering! (Episode 6)
Air date: 1989-11-22
Runtime: 24 min
An Intense Racing Story! (Episode 7)
Air date: 1989-11-29
Runtime: 24 min
Something is Off! Pink Bugs! (Episode 8)
Air date: 1989-12-06
Runtime: 24 min
The Verdant Island of Gluttonous Sumo Wrestlers! (Episode 9)
Air date: 1989-12-13
Runtime: 24 min
Hat Just Goes and Dies (Episode 10)
Air date: 1989-12-20
Runtime: 24 min
Papa's Uneggspected Love (Episode 11)
Air date: 1990-01-10
Runtime: 24 min
Hat's Great Transformation! It's a Girl! (Episode 12)
Writer: Isao Shizuya
Air date: 1990-01-17
Runtime: 24 min
See You in the Nightmare (Episode 13)
Air date: 1990-01-24
Runtime: 24 min
My Husband is an Alien! (Episode 14)
Air date: 1990-01-31
Runtime: 24 min
A Story of Good Friends (Episode 15)
Air date: 1990-02-07
Runtime: 24 min
The Magnificent Gyotaro (Episode 16)
Air date: 1990-02-14
Runtime: 24 min
Cooked for Three Minutes! Hard-Boiled Hat! (Episode 17)
Air date: 1990-02-21
Runtime: 24 min
Who's the Sloth? (Episode 18)
Air date: 1990-02-28
Runtime: 24 min
Wait, Who am I Again? (Episode 19)
Air date: 1990-03-07
Runtime: 24 min
Clash! The Grand Treasure Hunt! (Episode 20)
Air date: 1990-03-14
Runtime: 24 min
Kowaru's Road to Success (Episode 21)
Air date: 1990-03-21
Runtime: 24 min
Go Outie and See the World! (Episode 22)
Air date: 1990-03-28
Runtime: 24 min
Shine on! Path of a Hero! (Episode 23)
Air date: 1990-04-13
Runtime: 24 min
All-time best! Spring Bloopers Contest! (Episode 24)
Air date: 1990-04-20
Runtime: 24 min
My Beloved Egg! (Episode 25)
Air date: 1990-04-27
Runtime: 24 min
I Thought He Died? B-B-Back From the Dead! (Episode 26)
Air date: 1990-05-11
Runtime: 24 min
The Howl of the Sun Blade! (Episode 27)
Air date: 1990-05-18
Runtime: 24 min
Dad Back in Action! (Episode 28)
Air date: 1990-05-25
Runtime: 24 min
A Sparkling Silver Egg! (Episode 29)
Air date: 1990-06-01
Runtime: 24 min
Feeble Hat in Fairytale Land! (Episode 30)
Air date: 1990-06-08
Runtime: 24 min
Ghosts Are Welcome! (Episode 31)
Air date: 1990-06-15
Runtime: 24 min
Find Grandpa Tau's Hidden Treasure! (Episode 32)
Air date: 1990-06-22
Runtime: 24 min
Peace Talks in the Underworld Are Underway?! (Episode 33)
Air date: 1990-07-06
Runtime: 24 min

Seasons
Episodes 33