Streaming, rent, or buy Grendizer U – Season 1:
We couldn’t find any streaming options in the United States, but Grendizer U - Season 1 is available in France and 4 other countries on SFR Play, France TV Amazon Channel, and 11 other services.
13 Episodes
S1 E1 - Two Stars Meet in the Desert
S1 E2 - Legend of the Stars
S1 E3 - Fury of the Duke
S1 E4 - The Flower of Love Bloomed in the Sky
S1 E5 - Maria's Arrival!
S1 E6 - The Two Princesses
S1 E7 - Horror in the Depths of the Sea
S1 E8 - Encounter in Asakusa
S1 E9 - Darkness covers the Light
S1 E10 - Mazinger Returns
S1 E11 - Teronna
S1 E12 - Rubina
S1 E13 - In Honor of this Wonderful Land
Watch Now
Season 1 is not available for streaming in the United States. After checking 1,547 streaming services, we found the title in 5 other countries.
Italy 
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Videos: Trailers, Teasers, Featurettes
Cast
Haruka Tomatsu
Teronna Aqua Vega / Rubina Beryl Vega (voice)
Miyu Irino
Duke Fleed (voice)
Hiro Shimono
Koji Kabuto (voice)
Sumire Uesaka
Sayaka Yumi (voice)
Nao Toyama
Hikaru Makiba (voice)
Minami Tanaka
Grace Maria Fleed (voice)
