You're referring to the highly anticipated and somewhat mysterious "Mobile Suit Gundam SEED 51"! While there's limited information available, I'll try to provide a solid feature based on what we know and the rumors surrounding this project.
Let us clear up a few myths:
Because the original TV broadcast ended on a somewhat abrupt note during Phase 50 ("To a Future that Never Ends"), Sunrise released an additional 5-minute epilogue titled (sometimes informally cataloged as episode 51). gundam seed 51
Commonly identified by fans as the unofficial 51st episode, this feature serves as an epilogue to the first series. You're referring to the highly anticipated and somewhat
This 5-minute special serves as a bridge between the ending of Gundam SEED and its sequel, Gundam SEED Destiny Commonly identified by fans as the unofficial 51st
: Some international databases or forum archives mistakenly list the series as having 51 episodes by counting the recap "After-Phase" or the special "Daybreak" episode as a full numerical entry.