Ultraman Gaia - Season 1
1 - Seize the Light!
Air Date: September 5, 1998
After Gamu Takayama briefly encounters the mysterious glowing red giant During some virtual reality experiments. The Root of Destruction begins its first wave of attacks on Earth.
2 - A Hero Appears
Air Date: September 12, 1998
3 - His Name is Gaia
Air Date: September 19, 1998
4 - Gamu of the Sky
Air Date: September 26, 1998
5 - Another Giant
Air Date: October 3, 1998
6 - The Ridiculing Eye
Air Date: October 10, 1998
7 - The Cleansing of the Earth
Air Date: October 17, 1998
8 - The 4,600 Million Years-Old Ghost
Air Date: October 24, 1998
9 - Seagull Takes Off
Air Date: October 31, 1998
10 - Rock Fight
Air Date: November 7, 1998
11 - Dragon Capital
Air Date: November 14, 1998
12 - Monster Encircling Net
Air Date: November 21, 1998
13 - Night of the Marionettes
Air Date: November 28, 1998
14 - The Challenge from the Anti-Space
Air Date: December 5, 1998
15 - When the Rain Stops
Air Date: December 12, 1998
16 - Birth of Agul
Air Date: December 19, 1998
17 - Shadow of Space, Light of Earth
Air Date: December 26, 1998
18 - Agul vs. Gaia
Air Date: January 9, 1999
19 - Lilia's Maze
Air Date: January 16, 1999
20 - The Fossil of Ruin
Air Date: January 23, 1999
21 - The Sea of a Mysterious Light
Air Date: January 30, 1999
22 - Wings of a Stone
Air Date: February 6, 1999
23 - Gamu Expelled!
Air Date: February 13, 1999
24 - The Determination of Agul
Air Date: February 20, 1999
25 - Showdown for Tomorrow
Air Date: February 27, 1999
26 - Final Resolution
Air Date: March 6, 1999
27 - A New Battle
Air Date: March 13, 1999
28 - The Advent of the Heatwave
Air Date: March 20, 1999
29 - The Distant City: Uqbar
Air Date: March 27, 1999
30 - The Demon's Cocoon
Air Date: April 3, 1999
31 - The Accursed Eye
Air Date: April 10, 1999
32 - The Future Seen Before
Air Date: April 17, 1999
33 - Battling the Legend
Air Date: April 24, 1999
34 - Crash of Souls!
Air Date: May 1, 1999
35 - Ransom for a Monster
Air Date: May 8, 1999
36 - The Sky of Reunion
Air Date: May 15, 1999
37 - The Fourth Symphony of a Nightmare
Air Date: May 22, 1999
38 - Ground-Breaking Tusks
Air Date: May 29, 1999
39 - Lake of Sadness
Air Date: June 5, 1999
40 - I Want to See Gaia!
Air Date: June 12, 1999
41 - Resurrection of Agul
Air Date: June 19, 1999
42 - Gamu vs. Gamu
Air Date: June 26, 1999
43 - The Silver Eyes of Izak
Air Date: July 3, 1999
44 - Attack of the Space Monsters
Air Date: July 10, 1999
45 - The Living Planet
Air Date: July 17, 1999
46 - The Attack of the Forest
Air Date: July 24, 1999
47 - X.I.G. Destroyed!?
Air Date: July 31, 1999
48 - Revenge of the Death God
Air Date: August 7, 1999
49 - An Angel Descends
Air Date: August 14, 1999
50 - The Cry of the Earth
Air Date: August 21, 1999
51 - Earth is Ultraman's Home
Air Date: August 28, 1999