* ActingForTwo:
** In the French version of the episode "Strange Meeting", Creator/ClaudeGiraud voices both 31st century Ulysses and UsefulNotes/AncientGreece Ulysses and both interact.
** Ditto with Fabrice Josso, with 31st century Telemachus meeting Ancient Greece Telemachus.
* CrossDressingVoices: In the French version, Telemachus is mainly voiced by Belgian voice actress Creator/JackieBerger.
* FollowTheLeader: It came out in the wake of the prime ''[[Film/ANewHope Star Wars]]'' craze, and it shows.
* InternationalCoproduction: The series was a French-Japanese coproduction.
* KeepCirculatingTheTapes: The complete series has been released in Europe at one point, but not the U.S. While there was a Region 1 DVD, it only contains four select episodes. Additionally, the series was also available on Jaroo (which has since been discontinued), but it was just those same four episodes. It didn't help that they were identified as episodes "1-4", when in fact they weren't. This is quite amusing since in many cases, releases available in America are virtually unavailable anywhere else, ''WesternAnimation/{{Gargoyles}}'' (before Creator/DisneyPlus) being a prime example.
* ReferencedBy: In the '90s, Creator/MarvelComics had a team called the Pantheon, and rather noticeably it has a member named Ulysses whose powers are having an energy sword and shield.
** In ''WesternAnimation/{{Bluey}}'' of all places. There are two episodes where Bandit calls himself Telemachus during his games with the kids. This is because one of the writers is a huge fan of the anime.
* ScienceMarchesOn: Back in 1981, UsefulNotes/TheSolarSystem was still considered as having nine planets, which are mentioned at some point in the anime. In the 1990s and 2000s, the discovery of several Kuiper Belt Objects that rivaled or exceeded Pluto in size strained the definition of "planet" and reduced that number to eight.
** [[SubvertedTrope However]], recent studies show that there might be at least one massive object, about five times as massive as Earth, in the outer solar system. If it is indeed a planet, the solar system might have nine planets after all (although it probably wouldn't be called Pluto).
* ThemeTuneExtended: [[https://www.youtube.com/watch?v=HBFL_AiGW7g A full-length theme song]] was produced, but it was only included on a French vinyl release despite being entirely in English.
* TruncatedThemeTune: The inverse happened in America: the original European opening was [[https://www.youtube.com/watch?v=Ev1aBt-_Zs4 almost 2 minutes long]], but when the show came to the USA the theme song was [[https://www.youtube.com/watch?v=GX5QFvG_L8k cut down to less than a minute]].
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