As such, you can watch it at any point, though I would recommend watching it just before or after you watch the first series (just to see the contrasting ways in which the two series evolved). I didn't mention the 'zeroth' series (the one released in 1998) anywhere in there because it's sort of orthogonal to the rest of the Yu-Gi-Oh! anime franchise. Konami has licensed it for dubbing, but the dubs presumably won't start until the dubs for ZEXAL series 2 are complete. If you don't mind watching subs, start watching Yu-Gi-Oh! Arc-V, which is ongoing as of Apr 2014.Once you've caught up with this, you'll be up-to-date with the dubs. As of this writing (), it looks like the first 40 episodes have been dubbed, with more coming out at a rate of one per week. Since this series only just ended in Japan (Mar 2014), dubbing is still in progress. Watch Yu-Gi-Oh! ZEXAL (series 2), which is 73 episodes / 3 seasons in length.There is also a special (the one featuring Kouhei Uchimura) that was never dubbed. Watch Yu-Gi-Oh! ZEXAL (series 1), which is 73 episodes / 3 seasons in length.There is also a special ('Shinka suru Kettou! Stardust VS Red Demons') that was never dubbed. Again, you'll have to hunt for subtitled episodes if you want to watch these in their entirety. Note that large segment of seasons 4 and 5 were never dubbed. At any point after episode 86, you can, if you'd like, watch the Bonds Beyond Time movie. Watch Yu-Gi-Oh! 5D's, which is 154 episodes / 5 seasons in length.Note that you'll have to hunt for subtitled episodes if you want to watch the fourth (and final) season of GX - it was never dubbed. Watch Yu-Gi-Oh! GX, which is 180 episodes / 4 seasons in length.

So be sure to watch that before starting GX.

Also since this comment was written another Yu-Gi-Oh! movie Dark Side of Dimensions has been released which takes place 6 months after the end of Duel Monsters. It is best to watch it after episode 198 of Duel Monsters as it takes places between 198 and 199. This mini-series was created exclusively for US release (so I guess it's 'non-canon' if you care about that), but it's pretty enjoyable nonetheless. If you'd like, watch Capsule Monsters, which is 12 episodes in length.At any point after episode 144, you can, if you'd like, watch the Pyramid of Light movie. Watch Yu-Gi-Oh! Duel Monsters (the first series, not the 'zeroth' series), which is 224 episodes / 5 seasons in length.As Peter Raeves points out in the comments, a useful listing is available at Wikipedia's List of Yu-Gi-Oh! episodes article.

Yu gi oh season 1 episode 1 english dub