Episode 1
Big X Appears!
Episode 2
The Attack of V3
Episode 3
Evacuation from the Fortress
Episode 4
Showdown in the Desert
Episode 5
The Crisis of Big X
Episode 6
Slave Hunting
Episode 7
Showdown at Death Lake
Episode 8
The Black Aurora
Episode 9
The Lion Empire
Episode 10
Sun of the Devil
Episode 11
Ocean's Grave
Episode 12
Showdown with "Kaiser O"
Episode 13
The Masked Man
Episode 14
The Poisonous Gas Train
Episode 15
Himmel, the Big Mysterious Bird
Episode 16
The Spaceman Sunaruri
Episode 17
The Weightless Line
Episode 18
Mystery of the Dead Volcano
Episode 19
The Spade Viking
Episode 20
Showdown 20 vs. 21
Episode 21
Run, Big X!
Episode 22
Big Mad Fountain
Episode 23
The Phantom Pirate Ship
Episode 24
The Robot Bombing Order
Episode 25
The King's Electricity Transmission Campaign
Episode 26
The Ant Lion Campaign
Episode 27
The Aerial City
Episode 28
Big Dragon God vs. Big X
Episode 29
The Antique Missile
Episode 30
Target That Ear
Episode 31
Rebellion of a Rubber Man
Episode 32
The Sad Insect Doctor
Episode 33
Salvage, the Vacuum Man
Episode 34
The Metropolis Destruction Campaign
Episode 35
The Robot Castle
Episode 36
The Fire Horse
Episode 37
The Secret Undersea Laboratory
Episode 38
The Space Tiger
Episode 39
The Light-Hearted Man
Episode 40
From Rainbow Country
Episode 41
Fountain of the Snowman
Episode 42
Toward the Galaxy
Episode 43
Dr. Pearl's Invention
Episode 44
Planet Angel
Episode 45
Nina in Crisis
Episode 46
The Secret of St. Rosa
Episode 47
The Secret of Spaceland
Episode 48
Showdown at the Grand Glacier
Episode 49
A Giant Jellyfish Appears
Episode 50
The Great 3
Episode 51
The Earth's 5th Ice Age
Episode 52
The Magician of Samaringa
Episode 53
The Stolen Experiment
Episode 54
Zombie, the Human-Faced Beast
Episode 55
The Miracle of the Coral Reef
Episode 56
Hans' Revenge
Episode 57
Black Cloud on the Amazon
Episode 58
Showdown on the Moon
Episode 59
The Final Showdown
