Quick Answer
Marriage of God & Soul Godannar!! is streaming on HIDIVE. 13 episodes (~5h total watch time). Availability may vary by region.
Where to Watch Marriage of God & Soul Godannar!!
Marriage of God & Soul Godannar!! is currently on HIDIVE. Keep in mind that catalogs change by region — if you don't see it on your usual service, check the other platforms listed here.
Confirmed Streaming Platforms
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Anime licensing changes by region. If Marriage of God & Soul Godannar!!isn't on your usual service, try these.
About Marriage of God & Soul Godannar!!
Five years ago, while battling an alien force known as the "Mimesis," Dannar pilot Goh Saruwatari first met Anna Aoi. Today, on the day of their wedding, the ceremony is interrupted when the Mimesis strike again. As Goh struggles in his battle against the alien threat, Anna stumbles upon a top secret robot known as the "Neo-Okusaer" and uses it as a last-resort to save her fiancee. At that moment, Dannar and Neo-Okusaer merge to become the mighty robot "Godannar." (Source: ANN)
Full details on MyAnimePulseFrequently Asked Questions
Where can I watch Marriage of God & Soul Godannar!! legally?
Right now, Marriage of God & Soul Godannar!! is on HIDIVE. That said, anime licensing varies a lot by country — what's on Netflix in Japan might not be on Netflix in the US. If your go-to platform doesn't have it, try the other services listed above.
Is Marriage of God & Soul Godannar!! on Netflix or Crunchyroll?
Can't confirm either right now. Both platforms rotate their catalogs pretty often, so it's worth searching directly on each one.
Is Marriage of God & Soul Godannar!! available with an English dub?
Dub availability depends on the platform. Crunchyroll has been expanding their dubbed library a lot recently, and Funimation (now merged into Crunchyroll) historically had the biggest dub catalog. Check each platform's listing for Marriage of God & Soul Godannar!!.
Can I watch Marriage of God & Soul Godannar!! for free?
Crunchyroll offers a free ad-supported tier for some shows. Most other platforms require a subscription, but many offer free trials for new users. Tubi and Pluto TV occasionally have anime in their free rotation too.