The Collision
The Four Robot Gods and their pilots have assembled, but are they too late? DC's reckless experiments have brought a cataclysm upon both worlds. Refusing to give up, the resistance prepares to strike back and put an end to their evil! Source: crunchyroll
Aired 25/10/1999EP 26 - The Collision

1999
Cybuster
In an enviromentally wrecked future Tokyo, a young man named Ken Ando joins an organization called DC. Little does he realize that his fate and that of Earth will be linked to a mysterious mecha from another world.
(Source: Anime News Network)