Masamichi Kitada usually voices Roget, but he also voices one of the Obelisk Force mooks that challenge Tsukikage in episode 89.
Many minor characters share the same seiyuus.
And in the English version, this is taken to extremes where the main characters are concerned. Michael Liscio, Jr. voices Yuya, his dad, all of Yuya's counterparts, and presumably Zarc. Similarly, Emily Jenness voices Zuzu, all her counterparts, and presumably Ray Akaba. Billy Bob Thompson voices Declan Akaba and Gong Strong.
Amateur Cast: Most of the cast of ARC-V consists of new voice actors, but a notable aversion is with the protagonist Yuya Sakaki, in a series first. Whereas all of the protagonists inthepreviousseries have been voiced by newbie voice actors, Yuya is instead voiced by Kensho Ono, who, by the time of ARC-V, had already been an established voice actor with a handful of roles under his belt. This makes him the first Yu-Gi-Oh protagonist since the 1998 anime series by Toei to be voiced by a notable voice actor.
All-Star Cast: Despite the show casting mostly newcomer voice actors, there are still some big names voicing prominent characters.
Kensho Ono voices the main protagonist Yuya, his Evil Counterpart Yuri and the Big Bad Zarc. While most of the Yu-Gi-Oh! protagonist are voiced by newcomers, Ono was a well established VA prior to playing Yuya.
I Knew It!: Due to numerous theories, there were some that were bound to be right.
Several fans guessed that Dennis helped kidnap Ruri before episode 75 was released, based on the episode summary.
One of the more popular theories that was proved correct was that Yugo and Yuto's hatred of the other was because they mistook the other for Yuri.
A few fans picked up on the fact that when the Lancers rejoin in the Fusion Dimension with only Crow apparently tagging along form Synchro, only Tokumatsu and Shinji were mentioned as having urged them to go. Not Jack. And indeed, he shows up in episode 121.
Even since Yuya created Destruction and Creation Magician, fans have guessed that the Dragon Boys and Bracelet Girls were each a single entity once. The reveal of Zarc and Ray proved them right.
Episode 128 proved the long held theory that the any of the eight counterparts with familiesnote Yuya, Yuzu and Ruri (Yuto is speculative) were adopted.
Milestone Celebration: The 73rd episode of ARC-V marked the overall 777th episode of the Yu-Gi-Oh! franchise, which was celebrated with a special opening showcasing allthepreviousanime protagonists as well as Yuya.
Role Reprise: The alternate universe versions of GX, 5D's, and ZEXAL characters who appear in this series are voiced by the same Japanese voice actors who originally voiced them in their respective originating series.
Screwed by the Network: The Nicktoons broadcast schedule was erratic, with premieres often being delayed or outright pulled from the schedule with little-to-no advance warning. Nicktoons had to skip the entire second season just to catch up with the rest of the world.
Significant Double Casting: In the English dub, Yuya, Yuto, Yugo and Yuto are all voiced by the same person (Michael Liscio, Jr.) because they're all entities split off from Zarc.
Spoiled by the Merchandise: Several cards during the era were revealed long before they ended up making an appearance in the anime proper. Odd-Eyes Saber Dragon, Enlightenment Paladin, and quite a few of Yuya's Magicians being an example.
In nearly every Yu-Gi-Oh! series, each character has or gains a Superpowered Evil Side, which is seen by fans to be one of the best parts of a show, and actively and eagerly await for any new protagonist to have one. ARC-V delivers on the evil side, but takes a crack at the audience with Yuya's dark side: he was originally a normal entertainer who, in order to appeal to increasingly demanding and bloodthirsty fans, became more violent and cruel in his duels until he and his monsters went mad and turned against them. So the start of this character's downfall is because the audience wanted it - and since the real-life audience wants that sort of thing, they're also to blame.
Action Cards have long been a Scrappy Mechanic among the fandom. They get some mixed reviews throughout the series in-universe by characters new to them, and Jack and Sergey's duel has an important point being them ignoring Action Cards, to say nothing about Gongenzaka's opinion of them. It reaches the point where Reality Ensues in episodes 104 and 105, when both Edo and Kurosaki grab an Action Card, only to discover that its effects will not help them at all.
By many accounts, Tsutomu Kamishiro was a big sufferer of Schedule Slip, and frequently turned in scripts late. This resulted in rushed situations elsewhere—most notably, Yuya-Zarc's rather uninspired look. He also butted heads with the rest of the staff, as he wanted to push the series in a more cynical direction.
Series director Katsumi Ono, previously having worked on Yu-Gi-Oh! 5D's, was a major figure behind the Synchro arc being as long as it was while the other arcs were shortened.
Staff had to siphoned off to work on the 20th anniversary movie during the later parts of production.
Reiji's Japanese VA also had a busy schedule, forcing the character's role to be limited.
Word of God stated that Yuto and Yugo were intended to appear in the first episode. Their clash is later shown as a flashback in episode 18. That's also why Dark Rebellion is obscured in said flashback even though its appearance was already revealed.
Kensho Ono was originally going to voice Yuya and all of his counterparts. It was later decided that he should voice Yuya and Yuri since they are polar opposites in terms of personality and the Takagi twins would voice Yuto and Yugo in the voice similar to Ono's. This did, however, happen in the English dub, where Michael Liscio, Jr. voiced Yuya and all his counterparts.
Similar to the Barian Observer element of ZEXAL, episode summaries talked about another plot element that was likely dropped. Episode 121's summary mentions Reiji's mother having some sort of scheme going on. How this would fit into the story is unknown, but the implication is that she would become an antagonist.
Yugo was supposed to have white hair but the creators opted to have his D-Wheel and his suit white instead.
Yuya has used more Extra Deck summoning methods than any other previous protagonist from any previous series.
Fun Fact: Yuya has used 'Performapal Silver Claw' as a material for the summoning of monsters corresponding with each Extra Deck summoning type at least once.
For the first time in any Yu-Gi-Oh! series, the various Duel Disk designs are actually commented on in-universe by the characters and are used as a way for the characters to determine which dimension they come from, such as when Sora thought Serena, who was protecting Kurosaki, was Yuzu until she activated her Duel Disk and saw it was from Academia.