[1] Set in an alternate universe in the year 2007-2010 (2049 in the U.S. dub), giant monsters and conquering aliens start to appear, as was foretold by an apocalyptic prophecy about uncontrollable chaos over the Earth.

Facing the threat, the TPC (Terrestrial Peaceable Consortium) is created along with its branch, GUTS (Global Unlimited Task Squad).

Through a holographic message in a capsule found by researchers, the GUTS gets knowledge about a golden pyramid built by an ancient civilization.

At the site, three statues of a race of giants who defended early human civilization on Earth about 30,000,000 years ago have been unearthed.

Shortly after defeating the two monsters, Daigo is revealed by the hologram of the prophecy that 30 million years in the past, a great evil that not even the giants could stop, destroyed the ancient civilization.

Ultraman Tiga was removed from the FoxBox lineup on March 15, 2003, due to low ratings, with only 24 episodes of the 52-episode series having aired.

Erica Schroeder (who voiced Rena) claimed that part of the reason for Ultraman Tiga's limited success in the U.S. was due to 4Kids' indecision whether to satirize the show or make it serious.

[2][3] Actors Raiga Terasaka, Yuna Toyoda, Shunya Kaneko, Meiku Harakawa, Katsuya Takagi, Kei Hosogai and Shin Takuma portrayed as Kengo Manaka (Ultraman Trigger), Yuna Shizuma, Akito Hijiri, Tesshin Sakuma, Himari Nanase, Seiya Tatsumi, Ignis (Trigger Dark) and Mitsukuni Shizuma respectively, while M・A・O and Sumire Uesaka voiced Marluru and Carmeara respectively.

The removal triggered outcry from Chinese fans, trended on Sina Weibo, and began a hashtag which was viewed 84 million times.

Global Times deduced that the series was banned due to "violent plots" that featured fight scenes and explosions.

Factory announced to have struck a multi-year deal with Alliance Entertainment and Mill Creek Entertainment, with the blessings of Tsuburaya and Indigo, that granted them the exclusive SVOD and AVOD digital rights to the Ultra series and films (1,100 TV episodes and 20 films) acquired by Mill Creek the previous year.