1x1 - Seize the Light!

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.

1x2 - A Hero Appears

September 12, 1998

1x3 - His Name is Gaia

September 19, 1998

1x4 - Gamu of the Sky

September 26, 1998

1x5 - Another Giant

October 3, 1998

1x6 - The Ridiculing Eye

October 10, 1998

1x7 - The Cleansing of the Earth

October 17, 1998

1x8 - The 4,600 Million Years-Old Ghost

October 24, 1998

1x9 - Seagull Takes Off

October 31, 1998

1x10 - Rock Fight

November 7, 1998

1x11 - Dragon Capital

November 14, 1998

1x12 - Monster Encircling Net

November 21, 1998

1x13 - Night of the Marionettes

November 28, 1998

1x14 - The Challenge from the Anti-Space

December 5, 1998

1x15 - When the Rain Stops

December 12, 1998

1x16 - Birth of Agul

December 19, 1998

1x17 - Shadow of Space, Light of Earth

December 26, 1998

1x18 - Agul vs. Gaia

January 9, 1999

1x19 - Lilia's Maze

January 16, 1999

1x20 - The Fossil of Ruin

January 23, 1999

1x21 - The Sea of a Mysterious Light

January 30, 1999

1x22 - Wings of a Stone

February 6, 1999

1x23 - Gamu Expelled!

February 13, 1999

1x24 - The Determination of Agul

February 20, 1999

1x25 - Showdown for Tomorrow

February 27, 1999

1x26 - Final Resolution

March 6, 1999

1x27 - A New Battle

March 13, 1999

1x28 - The Advent of the Heatwave

March 20, 1999

1x29 - The Distant City: Uqbar

March 27, 1999

1x30 - The Demon's Cocoon

April 3, 1999

1x31 - The Accursed Eye

April 10, 1999

1x32 - The Future Seen Before

April 17, 1999

1x33 - Battling the Legend

April 24, 1999

1x34 - Crash of Souls!

May 1, 1999

1x35 - Ransom for a Monster

May 8, 1999

1x36 - The Sky of Reunion

May 15, 1999

1x37 - The Fourth Symphony of a Nightmare

May 22, 1999

1x39 - Lake of Sadness

June 5, 1999

1x40 - I Want to See Gaia!

June 12, 1999

1x41 - Resurrection of Agul

June 19, 1999

1x42 - Gamu vs. Gamu

June 26, 1999

1x43 - The Silver Eyes of Izak

July 3, 1999

1x44 - Attack of the Space Monsters

July 10, 1999

1x45 - The Living Planet

July 17, 1999

1x46 - The Attack of the Forest

July 24, 1999

1x47 - X.I.G. Destroyed!?

July 31, 1999

1x48 - Revenge of the Death God

August 7, 1999

1x49 - An Angel Descends

August 14, 1999

1x50 - The Cry of the Earth

August 21, 1999

1x51 - Earth is Ultraman's Home

August 28, 1999