WGA Website Lists 'One Piece' Live-Action Season 4 Amidst Production Rumors

October 14, 2026 at 04:53 AM(Updated: October 14, 2026 at 04:53 AM)

Recent updates to the Writers Guild of America (WGA) website have revealed a new listing for a fourth season of Netflix’s live-action One Piece adaptation. The page, which covers “3 Seasons (2022-2027) - 24 Episodes,” now includes a detailed staff list for “Season 4 (2027-2028).”

According to the listing, Matt Sielman is credited as Showrunner for the new season, alongside a long list of Executive Producers and Co-Executive Producers, including John E. Fink, Joel H. Cohen, and Cesar Mazariegos.

The discovery comes amid circulating online rumors suggesting that the cast and crew are regrouping to continue filming. However, it is important to note that there has been no official 100% confirmation from Netflix or the production team regarding the start of production for Season 4.

One Piece
3 Seasons (2022-2027) - 24 Episodes
WGA Covered

Series Credit
Developed by: Matt Owens and Steven Maeda
Source Material: Based on the comic book entitled “One Piece” created by Eiichiro Oda
Final Credits: 12/14/2022

Series Attributes
Distributed Medium: New Media
Network: Netflix
Format: Live Action
Length: 60 Minutes
Genre: Medical Drama

Series Staff Season 4 (2027-2028) Matt Sielman - Showrunner John E. Fink - Executive Producer Matt Sielman - Executive Producer Joel H. Cohen - Co-Executive Producer Jessica J. Conrad - Co-Executive Producer Lori Steele Southard - Co-Executive Producer Brian H. Kelley - Co-Executive Producer Timothy E. Long - Co-Executive Producer Cesar Mazariegos - Co-Executive Producer Robert S. LaZebnik - Co-Executive Producer Broti Gupta - Co-Executive Producer Christine F. Nangle - Co-Executive Producer Ryan Koh - Co-Executive Producer Jeff Westbrook - Co-Executive Producer Michael W. Price - Co-Executive Producer Dan Vebber - Consulting Producer Dan Castellaneta - Consulting Producer Dan Greaney - Consulting Producer Carolyn M. Omine - Consulting Producer Nick Dahan - Story Editor