In Ultraman Taiga Ep. 23: Clash! The Ultra Big Match!, behind the corner of a building, a countermeasure meeting is being held by aliens day after day who hold grudges against the Ultraman for disrupting their plans in the past. A new plan is brought up by the alien Chibull Mabuze and as a result, “the most evil demon in the galaxy” comes back into existence! Taiga and Hiroyuki face a hard battle against the overwhelming power of the demon, and just then, the rival of the demon also makes an appearance – and his name is Ultraman Zero!