When season 4 ends, then it will be clear if Stana and Nathon sign on for season 5.
The 29th of October 2012
have you ever been to the new fun park
24 december
Rumoured to be March 2013
The show runs from May to September.
Season 5 will air in June
after season 4
1st march during crime at 9
Well, ABC has not announced when will season 4 air or if there is going to be one, but most likely since it's a good show there will be a season 4.
Castle - 2009 is rated/received certificates of: Australia:M Canada:14A Canada:13+ (Quebec) Netherlands:12 Philippines:PG-13 Singapore:PG13 (season 1) (season 2) (season 4) (season 5) Singapore:PG (season 3) USA:TV-14
"Castle is shown by alibi in the UK- 5 only showed seasons 1 &2 long after alibi. the latest from the states is castle will air in march on alibi - yet to be confirmed."I've recently seen March 20th@21:00 given as the date/time for the Castle Series 5 premiere on Alibi.
09/20/10 is when Castle season 3 will begin.