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Page Notes: For now I'm gonig through archives trying to grab details of all the key dates to just get them up here, I wonder if this page might be better converted to more of a timeline at some point, rather than the current layout. -- Admin 05:52, 8 February 2012 (CST)
Early Press Releases & Media Attention
April 7, 2008 Rob Bowman announced as Director and Andrew Marlowe announced as writer for the pilot script 
May 9, 2008 Ruben Santiago Hudson announced as the "Police Chief"
January 16, 2009 ABC Press Tour discusses Castle
February 22, 2009 Castle was promoted heavily during the Oscars.
Date Currently Unknown Original 38 minute Pilot Filmed in New York
Date Currently Unknown Parts of the pilot reshot and additional scenes filmed in Los Angeles to complete aired version of the pilot.
Distributed Test Audiences
Either late July or early August, 2008 the original pilot episode of Castle was distributed to a test audience via e-Rewards. 
April 24, 2008 Castle's first website (unofficial) CastleTV.net registered
May 15, 2009: Season 2 Renewal Rumoured
- ABC has picked up drama "Happy Town" and "Cougar Town" to series. Additionally, midseason drama "Castle" also from ABC Studios, was renewed for a second season. ABC wouldn’t confirm any pickups until it unveils its fall schedule on Tuesday.
May 19, 2009: Season 2 Renewal Confirmed
Mar 30, 2010: Season 3 Renewal Announcement
- "After exceptional ratings again last night for the conclusion to the two part “Castle Event” ABC has finally announced that they have renewed the series for a third season."
Jan 10, 2011: Season 4 Renewal Announcement
- "ABC kicked off its portion of the Television Critics Association midseason press tour by breaking a little news: The network has officially renewed six series — Grey’s Anatomy, Private Practice, Castle, Modern Family, The Middle and Cougar Town — through next season." 
Season Start Air Dates
Initially it was rumored that the pilot episode of Castle was going to be aired on Wed Jan 7th, 2009 however for reasons unknown this never eventuated.
March 9, 2009: Season 1 Premiere
September 21, 2009: Season 2 Premiere
September 20, 2010: Season 3 Premiere
September 19, 2011: Season 4 Premiere
Season End Air Dates
May 11, 2009: Season 1 Finale
May 17, 2010: Season 2 Finale
May 16, 2011: Season 3 Finale
TBA (Expected May 7, 2012): Season 4 Finale
September 22, 2009: Season 1 DVD set released
September 21, 2010: Season 2 DVD set released
September 21, 2011: Season 3 DVD set released
TBA (Expected September 18, 2012) Season 4 DVD set released
August 10, 2009: First chapter of Heat Wave Novel released on ABC's website
September 22, 2009: Heat Wave Novel (Hard Cover)
May 17, 2010: First Chapter of Naked Heat released on ABCs website
September 28, 2010: Naked Heat Novel (Hard Cover)
May 17, 2011: First Chapter of Heat Rises released on ABCs website
September 20, 2011: Heat Rises Novel (Hard Cover)
September 28, 2011: Deadly Storm Graphic Novel
June 8, 2011: TNT Acquired the rights to air Castle
September 15, 2011: TNT aired a 7 hour marathon of Castle with a variety of episodes from Season 1-3.
- http://www.variety.com/article/VR1117983674?refCatId=1300 Variety, Apr 7, 2008
- http://www.nathanfillion.org/nathan-fillion-new-tv-pilot NathanFillion.org, April 25, 2008
- http://au.tv.ign.com/articles/869/869417p1.html IGN.com April 25, 2008
- http://www.playbill.com/news/article/117591-Santiago-Hudson-Joins-ABC-Crime-Pilot-Castle playbill.com, May 9, 2008
- http://castletv.net/forums/castle-discussion/sudden-spike-in-traffic CastleTV.net Forum Discussion, Feb 24, 2009
- http://castletv.net/testing-the-waters-for-castle CastleTV.net Aug 9, 2008
- http://castletv.net/castle-renewed-for-3rd-season CastleTV.net News 30 Mar, 2012
- http://www.tvline.com/2011/01/abc-renews-greys-private-middle-modern-family/ TVLine.com
- http://castletv.net/castle-renewed-season-4/7192 CastleTV.net Season 4 Renewal News
- http://castletv.net/forums/castle-discussion/air-date CastleTV.net Forums, Oct 12, 2008