Not soon enough.
No
It already has been released.
It will come out next year 2012.
Both season 4 and 5 are out on DVD.
Weeds season 4 DVD has been released
oct 26th on DVD
When does season4 sons of anarchy come out on dvd
There is , as of 4/3/2011 , no scheduled US release date .
it already did
Dragon Ball Z, Season 4 has already come out on DVD. It was released on February 19, 2008.
Breaking Bad season 4 became available on DVD on March 14th, 2012.
YES - the 4th season of Merlin will air in 2011-2012