Big X - Season 1
1 - Big X Appears!
Air Date: August 3, 1964
2 - The Attack of V3
Air Date: August 10, 1964
3 - Evacuation from the Fortress
Air Date: August 17, 1964
4 - Showdown in the Desert
Air Date: August 24, 1964
5 - The Crisis of Big X
Air Date: August 31, 1964
6 - Slave Hunting
Air Date: September 7, 1964
7 - Showdown at Death Lake
Air Date: September 14, 1964
8 - The Black Aurora
Air Date: September 21, 1964
9 - The Lion Empire
Air Date: September 28, 1964
10 - Sun of the Devil
Air Date: October 5, 1964
11 - Ocean's Grave
Air Date: October 26, 1964
12 - Showdown with "Kaiser O"
Air Date: November 2, 1964
13 - The Masked Man
Air Date: November 9, 1964
14 - The Poisonous Gas Train
Air Date: November 16, 1964
15 - Himmel, the Big Mysterious Bird
Air Date: November 23, 1964
16 - The Spaceman Sunaruri
Air Date: November 30, 1964
17 - The Weightless Line
Air Date: December 7, 1964
18 - Mystery of the Dead Volcano
Air Date: December 14, 1964
19 - The Spade Viking
Air Date: December 21, 1964
20 - Showdown 20 vs. 21
Air Date: December 28, 1964
21 - Run, Big X!
Air Date: January 4, 1965
22 - Big Mad Fountain
Air Date: January 11, 1965
23 - The Phantom Pirate Ship
Air Date: January 18, 1965
24 - The Robot Bombing Order
Air Date: January 25, 1965
25 - The King's Electricity Transmission Campaign
Air Date: February 1, 1965
26 - The Ant Lion Campaign
Air Date: February 8, 1965
27 - The Aerial City
Air Date: February 15, 1965
28 - Big Dragon God vs. Big X
Air Date: February 22, 1965
29 - The Antique Missile
Air Date: March 1, 1965
30 - Target That Ear
Air Date: March 8, 1965
31 - Rebellion of a Rubber Man
Air Date: March 15, 1965
32 - The Sad Insect Doctor
Air Date: March 22, 1965
33 - Salvage, the Vacuum Man
Air Date: March 29, 1965
34 - The Metropolis Destruction Campaign
Air Date: April 5, 1965
35 - The Robot Castle
Air Date: April 12, 1965
36 - The Fire Horse
Air Date: April 19, 1965
37 - The Secret Undersea Laboratory
Air Date: April 26, 1965
38 - The Space Tiger
Air Date: May 3, 1965
39 - The Light-Hearted Man
Air Date: May 10, 1965
40 - From Rainbow Country
Air Date: May 17, 1965
41 - Fountain of the Snowman
Air Date: May 24, 1965
42 - Toward the Galaxy
Air Date: May 31, 1965
43 - Dr. Pearl's Invention
Air Date: June 7, 1965
44 - Planet Angel
Air Date: June 14, 1965
45 - Nina in Crisis
Air Date: June 21, 1965
46 - The Secret of St. Rosa
Air Date: June 28, 1965
47 - The Secret of Spaceland
Air Date: July 5, 1965
48 - Showdown at the Grand Glacier
Air Date: July 12, 1965
49 - A Giant Jellyfish Appears
Air Date: July 19, 1965
50 - The Great 3
Air Date: July 26, 1965
51 - The Earth's 5th Ice Age
Air Date: August 2, 1965
52 - The Magician of Samaringa
Air Date: August 9, 1965
53 - The Stolen Experiment
Air Date: August 16, 1965
54 - Zombie, the Human-Faced Beast
Air Date: August 23, 1965
55 - The Miracle of the Coral Reef
Air Date: August 30, 1965
56 - Hans' Revenge
Air Date: September 6, 1965
57 - Black Cloud on the Amazon
Air Date: September 13, 1965
58 - Showdown on the Moon
Air Date: September 20, 1965
59 - The Final Showdown
Air Date: September 27, 1965