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Season
Season 1 Episode
- Season 1 The Big X Appears
- Season 1 The Attack of V3
- Season 1 Evacuation from the Fortress
- Season 1 Showdown in the Desert
- Season 1 The Crisis of Big X
- Season 1 Slave Hunting
- Season 1 Showdown at Death Lake
- Season 1 The Black Aurora
- Season 1 The Lion Empire
- Season 1 Sun of the Devil
- Season 1 Cemetery of the Sea
- Season 1 Showdown with "Kaiser O"
- Season 1 The Masked Man
- Season 1 The Poisonous Gas Train
- Season 1 Himmel, the Big Mysterious Bird
- Season 1 The Spaceman Sunaruri
- Season 1 The Weightless Line
- Season 1 Mystery of the Dead Volcano
- Season 1 The Spade Viking
- Season 1 Showdown 20 vs. 21
- Season 1 Run, Big X!
- Season 1 Big Mad Fountain
- Season 1 The Phantom Pirate Ship
- Season 1 The Robot Bombing Order
- Season 1 The King's Electricity Transmission Campaign
- Season 1 The Ant Lion Campaign
- Season 1 The Aerial City
- Season 1 Big Dragon God vs. Big X
- Season 1 The Antique Missile
- Season 1 Target That Ear
- Season 1 Rebellion of a Rubber Man
- Season 1 The Sad Insect Doctor
- Season 1 Salvage, the Vacuum Man
- Season 1 The Metropolis Destruction Campaign
- Season 1 The Robot Castle
- Season 1 The Fire Horse
- Season 1 The Secret Undersea Laboratory
- Season 1 The Space Tiger
- Season 1 The Light-Hearted Man
- Season 1 From Rainbow Country
- Season 1 Fountain of the Snowman
- Season 1 Toward the Galaxy
- Season 1 Dr. Pearl's Invention
- Season 1 Planet Angel
- Season 1 Nina in Crisis
- Season 1 The Secret of St. Rosa
- Season 1 The Secret of Spaceland
- Season 1 Showdown at the Grand Glacier
- Season 1 A Giant Jellyfish Appears
- Season 1 The Great 3
- Season 1 The Earth's 5th Ice Age
- Season 1 The Magician of Samaringa
- Season 1 The Stolen Experiment
- Season 1 Zombie, the Human-Faced Beast
- Season 1 The Miracle of the Coral Reef
- Season 1 Hans' Revenge
- Season 1 Black Cloud on the Amazon
- Season 1 Showdown on the Moon
- Season 1 The Final Showdown
Big X - Season 1 Episode 18 Mystery of the Dead Volcano
0.00 48 minutes 
