History ShoutOut / MobileSuitGundam00

** Setsuna F. Seiei and Saji Crossroad were [[RelationshipVoiceActor respectively]] voiced by [[Franchise/KingdomHearts Riku and Sora]]'s [[Creator/MamoruMiyano sei]][[Creator/MiyuIrino yuu]]s.

** Creator/KeijiFujiwara (Ali al-Saachez's seiyu) did [[VideoGame/FinalFantasyVII Reno]] and [[Franchise/KingdomHearts Axel]]. On a side note, [[PigeonholedVoiceActor all three characters are]] [[EvilRedHeads red heads]].

* The second season ends with the message [[spoiler:"The childhood of humanity ends"]], which is a reference to [[spoiler:''[[Literature/ChildhoodsEnd Childhood's End]]'', a novel in which a benevolent alien race comes to Earth and guides humanity into [[AscendToAHigherPlaneOfExistence a singularity of consciousness]]]], providing some vague {{foreshadowing}} of the events of the movie for those who get the reference.

* The A-Laws' [[https://en.wikipedia.org/wiki/Shako Shako caps]] look exactly like the ones worn by [[CodeGeass Britannian military members]].
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* The A-Laws' [[https://en.wikipedia.org/wiki/Shako Shako caps]] look exactly like the ones worn by Britannian military members.

* Alejandro Corner's obsession with anything gold-colored is the same as [[Anime/MobileSuitGundamWing Dorothy Catalonia's]] own obsession with gold-colored transports.
* The GN Flag is a ShoutOut to the [[Anime/MobileSuitGundamWing Epyon]] with its beam sword connected to the GN[T] drive.

* A [[http://www.youtube.com/watch?v=ab0IB6Nr9mY&feature=related fan video]] reveals the possibility that 00 Gundam's combination sequence with the 0 Raiser is a homage to GaoGaiGar's Final Fusion sequence.

* Alejandro Corner's obsession with anything gold-colored is the same as [[Anime/MobileSuitGundamWing Dorothy's Catalonia's own obsession with gold-colored transports.]]

** Setsuna F. Seiei and Saji Crossroad were [[RelationshipVoiceActor respectively]] voiced by [[Franchise/KingdomHearts Riku and Sora]]'s [[Creator/MamoruMiyano sei]][[MiyuIrino yuu]]s.

* The first time Exia used the Trans-Am System he attacked Ali al-Saachez using the "[[FinalFantasyVII Omni-slash]]".
* The Trans-Am Raiser is very similar to the ''[[FinalFantasyVIII Blasting Zone]]'', and is actually nicknamed as such by fans.
* Setsuna F. Seiei and Saji Crossroad were [[RelationshipVoiceActor respectively]] voiced by [[KingdomHearts Riku and Sora]]'s [[MamoruMiyano sei]][[MiyuIrino yuu]]s.
* Creator/KeijiFujiwara (Ali al-Saachez's seiyu) did [[VideoGame/FinalFantasyVII Reno]] and [[KingdomHearts Axel]]. On a side note, [[PigeonholedVoiceActor all three characters are]] [[EvilRedHeads red heads]].
* Setsuna and Graham Aker's rivalry mirrors that of Squall and Seifer from ''VideoGame/FinalFantasyVIII''', from hair colors (Brunette, Blonde) to personalities (AscendedFanboy, TheStoic) and scars (at least in Graham's part).

* KeijiFujiwara (Ali al-Saachez's seiyu) did [[FinalFantasyVII Reno]] and [[KingdomHearts Axel]]. On a side note, [[PigeonholedVoiceActor all three characters are]] [[EvilRedHeads red heads]].