The Maser Cannons, from the Godzilla movies, are seen in the first episode and in the opening credits fighting the Akelon Invaders.
The docking bay used by the Type-05 GS Assist Robot "Youhi" was originally used by the "Kiryu" Mechagodzilla in Godzilla X Mechagodzilla (2002)
An English-language dub of the series was recorded under the name Ultra Star God Gransazer, possibly commissioned by Toho. It aired on television in English-speaking territories of Asia as The Gransazers; this is known to have included Singapore's Kids Central in early 2005, and the Toonami block on India's Cartoon Network beginning in November of 2006. The full dub was released on VCD by Singaporean company Poh Kim.
Had a follow up, direct-to-video movie based on the show called The Gransazers: Super Battle Memory (2005).
Early English promotion for the show dubbed the series as: "The Gransazers: Battalion of the Zodiacs".