Matchless Raijin-Oh
Season 1, Episode 4: Protect the Field of Flowers!
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During an excursion, the boys of class 5-3 gets into a fight with the boys from the local. Meanwhile Kouji meets a girl called Kozue, who explains that the locals are angry that more and more trees are being cut for the expansion of the park for tourists. The next day, Class 5-3 hears that Onoboori mountain (the place they went yesterday) became treeless and a Jaku Beast is attacking. Still remembering the fight, Jin is reluctant to sortie. Kouji insist, saying it's their duty as the defenders of Earth and manage to convince everyone including Jin. With the help of the locals Raijin-Oh manage to defeat the Jaku Beast.
All Episodes - Season 1
Episode 1
Raijin-Oh Arrives
Episode 2
We Are the Earth Defense Class
Episode 3
Tests Are a Huge Annoyance!?
Episode 4
Protect the Field of Flowers!
Episode 5
Decision! Unrivaled Dragon Tail
Episode 6
Survive the Traffic War!
Episode 7
Taking Care of Drunkard
Episode 8
Absolute Union of Friendship!
Episode 9
Blowing Away Moldy Feelings
Episode 10
The Town Where Gasoline Vanished
Episode 11
Cookie's Nightmare
Episode 12
The Pool is Too Hot
Episode 13
Get Back the Baby!!
Episode 14
Final Match! Baseball
Episode 15
Fly at Mach 9!
Episode 16
Crash Course in Returning the Shot!
Episode 17
Teacher is a Jaaku Beast!?
Episode 18
Presentation! Earth Defense Class' Secrets
Episode 19
Seaside School is in Chaos!!
Episode 20
Maria has Disappeared!
Episode 21
The Enemy is Raijin-Oh!?
Episode 22
Departure! The Invincible Warrior
Episode 23
Come Forth! Absolutely Invincible Union!!
Episode 24
Dog/Cat Panic Plan!
Episode 25
Getting the Scoop!!
Episode 26
Great African Battle!
Episode 27
Defeat the Earthquake
Episode 28
Garuma's Competition of Fear!!
Episode 29
Appear! Super Jaaku Beast
Episode 30
Jaaku beast is a Friend?
Episode 31
Fierce Battle! Channel War
Episode 32
Adventure in the Haunted House
Episode 33
Terror! Dancing Jaaku Beast
Episode 34
Skiing is Too Cold
Episode 35
Vanished Commander
Episode 36
Jaaku Beast is an Ally of Justice!?
Episode 37
Graffiti Revolt
Episode 38
Psychic Jin
Episode 39
The Celebration is a Troubling Thing
Episode 40
Belzeb's Great Approach
Episode 41
Kidnapping of the Absolutely Invincible
Episode 42
Protect the Secret of the School!
Episode 43
Super Giant Reiko Appears!
Episode 44
Decisive Micro-Battle!
Episode 45
Broadcast! Earth Defense Class Facts!!
Episode 46
Taida Becomes an Earthling
Episode 47
Adult to Child Chaos!?
Episode 48
Transformation! Black Taida
Episode 49
Appear! Jaaku Empire
Episode 50
Defeat Emperor Warza!
Episode 51
Our Dreams are Absolutely Invincible!