Since season 3 was release on August 18 this year, I would expect season 4 to be released the same time next year - i.e. mid-August 2010.
Never
Weeds season 4 DVD has been released
No.
Season 4 of the American series "The Office" was released on DVD in the UK on June 14, 2010.
The 4th season of Bones will be released on DVD on October 6, 2009.
The show ended on 12/12 and it usually takes 4-6 months.
No
Dexter Season 4 aired in the US on September 27th 2009
Yes. Dexter has been renewed for a fourth and fifth season.
It already has been released.
Season 4 and Season 5 are being released together on DVD and Season 5 will not be aired until October, so do not expect the DVD until after Season 5 has ended.
It's released right now. It is in the same edition as season 3.