Season 4 Part 1 will be released on August 7th:
Season 4 Part 2 will be released October 30:
Season 5 (episodes 264-336) will be released Summer 2013, "One Piece Film: Strong World" will be released sometime in 2013:
EDIT: F.A.Q. as of August 2nd, 2012
! One Piece DVD FAQ:
! Q: Up to what episode has been released in FUNimation Dub format?
A: Episode 205 is the end of FUNimation's "Season 3" and is the current point that FUNimation is at.
! Q: Are more episodes coming and when?
A: Yes, FUNimation has confirmed that they have aquired "Season 4" which consists of the entire Davy Back Fight, Water Seven, and all filler that falls between. This season will encompass Episodes 206-263. Part 1 comes out August 7th, while Part 2 comes out October 30th. In addition, they have acquired "Season 5" which spans the entire Enies Lobby Arc and ends with the Ice Hunter Arc. This season will encopass Episodes 264-336, and will be released in the summer of 2013.
! Q: What about the movies?
A: FUNimation's original license included Movie 8 (Episode of Alabasta) and it was dubbed and released on both DVD and Blu-ray. They have also acquired the rights for "One Piece Film: Strong World", and will release it sometime in 2013.
! Q: In what format are the DVDs? IE: How many episodes per set?
A: There are currently two release formats for One Piece. First a set of 12-14 episode "Voyages" comes out as the initial release for a given season. Then, shortly after the season finishes its run, FUNimation re-releases the series on lower priced "Collection" sets which are each comprised of two voyages in new packaging (22-26 Episodes Each). Despite this, the disc contents are exactly the same as the voyages right down to the menus. Each collection has an MSRP of $34.98, but prices may vary depending on the outlet you purchase from. As the voyages for Seasons 1-3 have finished being released prices will vary on those. Starting with Season 4 however, Voyages will be priced with an MSRP of $39.98.
! Q: When should I expect the next release?
A: Be sure to check different sources/outlets when you can for updates. Suggestions for areas to find these release dates as they come out include amazon.com, rightstuf.com, animenewsnetwork.com, toonezone.net, and crunchyroll.com, among others.
! Q: What episode are available in those formats?
A: Episodes 1-130 are available in Collection format with the rest being available in only Voyages. As the Collections are released, the corresponding Voyage releases are discontinued.
! Q: What about Blu-ray? Will the series ever be Re-released in HD?
A: Episodes 1-206 Were produced in Standard Definition via digital ink and paint, therefore an HD Master of these episodes does not exist. For this reason, any Blu-ray that could be relased of this material would be an upscale, which most Blu-ray players already do automatically to SD DVDs. For this reason, while a Blu-ray release of this material is possible, it isn't exactly sound. Either way, there is no information whatsoever about such a release.
! Q: But what about 207+ then?
A: That is the point by which the series began to be produced in Native HD. FUNimation has revealed in their press release that they have the 16:9 Widescreen HD masters of those episodes.
! Q: Then, will we get a Blu-ray of that?
A: FUNimation currently doesn't have Blu-ray rights for those episodes but noted it was possible and they would be looking into the release format. Most likely, if a Blu-ray release happens it will either be a dual-release (IE: Both a DVD and A Blu-ray release simultaniously) as they have done with Dragon Ball Kai or they will do a Blu-ray/DVD "Combo Pack" with both formats in one box as they have done with Fairy Tail.
! Q: Are FUNimation's releases Uncut?
A: Yes, Absolutely no in-episode animation content has been changed whatsoever from the Japanese DVD release.
! Q: Are there any differences at all then?
A: FUNimation has a new "Gold" logo that they use for their releases, the Logo has been replaced wherever it appears. (IE, opening and closing themes and Eyecatches) Also, the episode title cards (Reading off the name of the episode) have been rendered in English and no Japanese option is available for them. Other than that, the material is left alone.
! Q: Is Zoro "Zoro" or is he "Zolo"?
A: Zoro's name is rendered as "Zoro" in all text appearences (Subtitles, title cards, packaging etc) and spoken word (dub, special features) on FUNimation's DVDs. For some reason, his wanted poster in the Eyecatch will occasionally say "Zolo" on the season 1 discs, but this is both an unintentional error that was corrected and is on screen for less than one second and to see it, you must frame-by-frame view the scene. Otheriwse he is "Zoro" at all times.
! Q: How is the Quality Dub?
A: This is subjective from person to person, but has recieved positive response from fans overall.
! Q: Is the translation accurate in both formats?
A: Yes, the subtitles are accurate to what is being said, however nothing is left in Japanese except for honorifics and the occasional name. All words are translated to English including Devil Fruit names, attacks, Shichibukai (to Seven Warlords of the Sea) and "Nakama".
The dub is mostly accurate but occasionally has to make slight alterations to match Lip-flap
! Q: What about all the series-specific terms?
A: Everything is translated. For the first 2 seasons, a very small number of terms had to be left in their Viz/4kids forms at the request of Toei animation. However, they are few and far between. (Such as one or two of Kuro and Arlong's attacks)