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* ActingForTwo: Though credited for voicing Suguru, Creator/FujikoTakimoto also voices Guri, the Misato residence's dog.
* CrossDressingVoices: In the Japanese version, Suguru is played by the female Fujiko Takimoto.
* DirectedByCastMember: Creator/TonyOliver was the English dub's ADR director as well as the voice of Suguru Misato's adult self.
* KeepCirculatingTheTapes: The manga's English translations went out of print after Tokyopop's 2011 shutdown.
* LateExportForYou: In North America, Tokyopop began releasing the manga in May 2004, over six years after it began serialization.
* TheOtherDarrin: The series has several examples:
** Creator/RebeccaForstadt replaced Creator/MelissaFahn for Chizuko Oe from episodes 1-4 and 12-14 in ''Something More Beautiful''.
** In ''I'm Home'', whilst most of the cast reprised, several characters had their voice actors replaced: Creator/ErikKimerer replaced Creator/DaveWittenberg for Toshiya Hamaguchi; Creator/KeithSilverstein replaced Creator/KirkThornton and Creator/SteveBlum for Kiyomi Kawahara and Ryuga, respectively; and Creator/ChristineMarieCabanos replaced Creator/LaraJillMiller for Minawa Ando.
* RoleReprise: All of the anime's voice actors reprised their roles for ''I'm Home'' six years after their last appearance on the ''Summer Special''.
* StudioHop:
** The Japanese home media rights have been owned by Creator/NBCUniversal since the 2008 buyout of [[Creator/NBCUniversalEntertainmentJapan Pioneer LDC/Geneon]] from Dentsu.
** The North American releases were initially handled by Pioneer Entertainment. Following their 2007 shutdown, the rights were picked up by Creator/SentaiFilmworks.
* YouSoundFamiliar: Creator/NobutoshiCanna narrated the first and tenth episodes of the first season and would later go on to voice Suguru Misato's older self at the end of ''Something More Beautiful''.
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