! General Trivia
* In RealLife, Kohji Moritsugu (Dan) and Yuriko Hishimi (Anne) are both restaurateurs.

! Trope Trivia
* AbsenteeActor: Yuriko Hishimi does not appear in "Fly To The Mountain Of Evil".
* ActingForTwo:
** Those twin alien girls from "The Secret of the Lake"? In human form, they were played by one actress. "They" appear together at the end of the episode.
** Kohji Moritsugu plays both Jiro Satsuma and Dan in "Underground: Go! Go! Go!".
* BadExportForYou: It's nice to have it on R1, but the set itself lies and says its mono, when it's really a 5.1 remix with new sound effects, and the video is taken from basically ripping the R2s.
* BannedEpisode
** "From Another Planet With Love" was banned in the 1970s after a support group for atomic bomb survivors complained about comparisons between bomb victims and Spell Aliens.[[note]]That's literal, by the way - the episode was actually rerun several times without incident or comment, but a third party published a set of cards that happened to describe Alien Spell as "an A-Bomb Survivor" (which isn't inaccurate, but can really only invite bad-taste comparisons). Tsuburaya banned the episode outright as a result of the controversy, as well as all elements from it.[[/note]]
** In 2011, "Super Weapon R-1" was banned in Japan after the Fukushima Daiichi disaster.
* CompletelyDifferentTitle: In Mexico, it was known as ''El Agente Ultrasiete'' (''The Agent Ultraseven'').
* ContestWinnerCameo: Guyros was the winner of a Make Your Own Ultra Monster contest, although he had been submitted as ''Alien'' Guyros.
* CreatorBacklash: Despite its iconic nature, director Akio Jissoji always thought the coffee table scene between Dan and Alien Metron in "The Targeted Town" was silly, even when he filmed it.
* CreatorsFavorite: Kohji Moritsugu's favorite monsters are Eleking, Alien Metron, and King Joe.
* ExiledFromContinuity: Alien Spell, due to the controversy of UnfortunateImplications on atom bomb survivors it stirred in the 70s.
* FollowTheLeader: The Ultra Hawks used by the team were inspired by ''Series/{{Thunderbirds}}'', as Creator/EijiTsuburaya greatly admired the miniatures work on Creator/GerryAnderson's show.
* HeyItsThatSound: Like with ''Series/{{Ultraman}}'''s Science Patrol, Ultra Garrison used King Ghidorah's cackle for their telephone.
** Eleking's shriek was recycled by Creator/{{Toho}} for [[Franchise/{{Godzilla}} Kamacuras]].
** In Agira's first appearance, he uses Film/{{Rodan}}'s roar, but in his second appearance, it's Film/{{Gamera}}'s. Meanwhile, Windam's was recycled from [[Film/KingKongEscapes Mechani-Kong]] and Miclas' croak was from [[Series/{{Ultraman}} Goldon]].
** Alien Guts actually used [[Series/{{Ultraman}} Dada]]'s "DA-DA!", while Pandon was a sped-up Miclas.
** Narse and Gyeron both used [[Film/EbirahHorrorOfTheDeep Ebirah]]'s screech, while Guyros' recycled [[Franchise/{{Gamera}} Gyaos]].
* IronyAsSheIsCast: Given that Bin Furuya was a judo expert and he played the HenshinHero in the [[{{Series/Ultraman}} previous show]], it's surprising he played the NonActionGuy in this show.
* MissingEpisode: Ultra Seven is this and then some.
** Tsuburaya has a self-imposed ban on Episode 12. Strangely enough, the banned Episode 12 was dubbed and broadcast in the States[[note]]Alien Spell is made out to be a vampire of sorts[[/note]], and can even be found online.
** Out of the Hawaiian Dub, only episodes 21, 22, and 35 survived.
** In the Cinar/Turner dub, all episodes were dubbed, but between 1985 and 1994, Turner's own video copies of episodes 5, 6, and 7 disappeared.
** Nowadays, "Super Weapon R-1" is banned due to parallels to the Fukushima-Daiichi disaster, although it can still be found on DVD releases.
* NamesTheSame: Alien Metron shares a name with a Marvel Comics character as well as a race of HumanAliens from ''Series/StarTrekTheOriginalSeries''.
* OneOfUs: Moritsugu is the biggest collector of Series/UltraSeven memorabilia in Japan, which he'll proudly show off at his home and his restaurant.
* PropRecycling: Alien Quraso's costume is a [[Series/UltraQ Kemur-Man]] costume with a new head. The [[Series/{{Ultraman}} Science Patrol]]'s Mars-133 was cut down and turned into the Ultra Garrison's "Paralyzer" stun-gun.
** Gabura was made from the Goldon suit from ''Series/{{Ultraman}}''.
** The Dinosaur-Tank suit was remade into Rigger.
** Alien Borg was made from Alien Talk, whose episode was never aired.
** The shadow illusion created by Alien Shaplay was made from the suits of Aliens Godola, Pegassa and Quraso combined.
* UnfinishedEpisode: "[[http://ultra.wikia.com/wiki/Revenge_of_300_Years The 300-Year Revenge]]". It was intended to be the twenty-third episode of the show and would have featured an alien called Alien Talk. It only became known in the 90s when a documentary on the production of ''Ultraseven'' discovered it.
* WhatCouldHaveBeen
** Was originally supposed to be a more hard sci-fi show similar to ''Series/LostInSpace'' called ''The Ultra Garrison'', but someone urged a rewrite due to being too similar to rival show ''Captain Ultra'', and the show was turned into ''[[WorkingTitle Ultra Eye]]'', where Dan was supposed to transform into Redman, who was also [[SpinOffspring Ultraman Junior]]. The Capsule Monsters were supposed to be [[Series/UltraQ Peguila]], [[Series/{{Ultraman}} Antlar, and Red King]], but Tsuburaya wanted to do more with their budget, so the capsule monsters became new monsters. ''Ultra Eye'' was reworked into ''Ultra Seven'' and the rest is history.
** When [[Creator/{{TBS}} Turner Program Services]] was shown the finished dub, they found it to be subpar, and after failing to sell it to another network or syndication, the episodes were locked away until 1994- when they realized they never got run, they were given to Creator/{{TNT}} to run as part of their ''Toons Til Noon'' and ''[=MonsterVision=]'' blocks (for the former, the eps were edited to be suitable for kids and families; for the latter, the episodes ran uncut).
** Among the bizarre rejected ideas, producer Masami Sueyasu proposed the series become a Japanese analog to ''Literature/AlicesAdventuresInWonderland'' combined with ''Film/TheRedBalloon'', writer Akio Jissoji proposed a series revolving around a time-traveling family and their everyday lives, Hajime Tsuburaya proposed a new season of Ultraman that basically pandered to the sponsors (think MerchandiseDriven to the Nth degree like today's Franchise/KamenRider), and Eiji proposed a cross between ''Series/{{Thunderbirds}}'' and ''Series/LostInSpace''.
** The ''Ultra Garrison'' proposal would have revolved around a team of astronauts and RobotBuddy "John", who lived in a space station called Mother and were Earth's first line of defense against alien invaders. The concept came off as too derisive, and the executives ordered Tsuburaya to rewrite it.
** In addition to Ultraman Junior, there would be both good and bad monsters from Earth and space respectively, and the good Earth monsters would fight on humanity's side. ''Series/UltramanGaia'' saw this idea come to fruition.
** In one draft, Dan would have been half-R-alien (possessing ESP), half-human.
** One of Seven's preliminary costume designs looked similar to Series/UltramanMebius.
** Most of those designs lacked an Eye Slugger, but did use elaborate headdresses and chestpieces.
** Ultraseven was originally going to blue, but due to the blue-screen matte process, it was changed to red to prevent blend-in.
** The series was originally intended to take place in its own continuity, where the events of ''Series/UltraQ'' and ''Series/{{Ultraman}}'' never took place. Traces of this can be seen in the final product, as there is no mention whatsoever of Ultraman nor his adventures with the Science Patrol, Seven himself exhibits many differences when compared to other Ultras (though Series/UltramanTaro and Franchise/UltramanZero, the latter being Seven's son, resemble him more closely.), and his superior looks exactly like him rather than Zoffy. The Heisei ''Ultraseven'' series and ''Series/UltraSevenX'' ran with this idea.
** Alien Guts was originally meant to have a bulbous exposed brain in order to emphasize his intelligence and potent mental powers, but Creator/EijiTsuburaya rejected it for being too grotesque.
** "The Wandering Planet" was initially written as an episode of ''Series/{{Ultraman}}'', while Rigger's role was for [[Series/UltraQ Pagos]]. Agira was a last-minute addition, as the role was initially meant for Windam, but ExecutiveMeddling demanded a new monster.
** Miclas was originally meant to be killed in the Alien Guts two-parter [[spoiler:rather than Windam]].
** A capsule monster based on UsefulNotes/{{Hachiko}} existed in early concepts.
* WorkingTitle: ''Ultra Eye''
* YouLookFamiliar: The Robot Chief was played by Dr. Niwa[[note]]Alien Prote's human disguise[[/note]]'s actor. He'd later play Alien Nackle's human form (and voice him) in ''Series/ReturnOfUltraman''.
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