Rebellion

>>98104063
We actually have really good idea of dates of each major production steps:

Planning Meeting - immediately after TV series broadcast (April 21st, 2011); Planning Memo
Gen works on Scenario Proposal
Planning Meeting - Shinbo's inspiration, Ending revised;
Gen finished Rebellion script 1st draft
1st draft submitted - summer - before the August 9, 2011 Kirara Magica Vol.2 interview
Revised draft submitted - before the Nov 30, 2011 Megami Magazine 2012-01 interview
Storyboarding
Fall, 2012 - animation begins (Iwakami "animation took about a year" in Premiere Talk Session)
Color composition & filming - August, 2013
Voice Recording
Premiere - October 26, 2013


References:
http://feral-phoenix.livejournal.com/685568.html#%7C
http://wiki.puella-magi.net/Kirara_Magica_Interview_Gen
http://wiki.puella-magi.net/Megami_Magazine_2012-01
http://www.animenewsnetwork.com/feature/2013-12-07
http://wiki.puella-magi.net/NewType_2013-09

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Beginning / Eternal



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http://www.reddit.com/r/anime/comments/1r8h8y/is_an_entire_anime_made_before_the_season_or_is/

Rome isn't build in a day, and anime aren't drawn in a week. Production for an 1-cour anime usually starts over a year before airing, and for some studios (see SHAFT) continue until the night of broadcast.
Check out these guides to get an idea of the scale of work to create anime:
http://www.mugi-mugi.net/2012/10/how-to-anime-guide-to-anime-production.html
http://www.crunchyroll.com/anime-news/2011/10/30-1/how-much-does-one-episode-of-anime-cost-to-make

Gen Urobuchi tweeted that he chose October 3 as Madoka's birthday, because that was the day when the ‘Mahou Shoujo Apocalypse Madoka☆Magica Project’ document was created[1].


Gathering my notes together is taking a lot longer than I expected, so here's a cliff-notes version of Madoka Magica (2011) production timeline instead:
2008 - Casual conversation about an original magical girl show between Iwakamiand Shinbo become serious
October, 2008 - Initial Meeting between what would become the Magica Quartet - Shinbo, Iwakami, Gen, Ume; series keyword and visual design determined inplanning memo;
October, 2008 - Aoki Ume finished character design - 1st draft for the 5 heroines
December(?), 2008 - Composition Meeting of Magica Quartet to review Gen's Series Proposal ; accepted with adjustments (13->12 episode and etc)
end of 2008 to end of 2009 - Gen writes Initial Draft of the script at one-episode-a-month pace; temporary title "Mahou Shoujo Apocalypse"
2009 - Aoki Ume finished character design - 2nd draft, adding Kyubey, Hitomi, Kyousuke, and other side characters.
early 2010 - Screenplay Meeting of Magica Quartet; Inu-Curry recommended for Witch World design by Shinbo; Gen begins (minor) revision to script; storyboard begins
2010-04-20 - SHAFT original anime info leaked
2010-05-12 - Settai Meeting (bottom right) between Shinbo/SHAFT/Inu-Curry; Witch design and Barrier world discussion; key animation begins
early 2010 - VA audition; Kajiura recommended by Gen and Shinbo; ClariS/Kalafina assigned by Iwakami; script and character design finalized
Fall, 2010 - Official public announcement
Late 2010 - Voice recording
December 2010 - Preview video released
2011-01-06 - Episode 1: As if We Met in a Dream released
and the rest is history...
Citations:
http://wiki.puella-magi.net/Guidebook#Staff_Discussion
http://wiki.puella-magi.net/Guidebook#Data_in_production_stage
http://wiki.puella-magi.net/Puella_Magi_Madoka_Magica_The_Beginning_Story
http://wiki.puella-magi.net/Megami_Magazine_2010-12
http://archive.foolz.us/a/thread/33703625
http://animapple.blogspot.com/2010/12/info-mahou-shoujo-magikamagica.html



Setting the stage
* Shinbo, first director role "Metal Fighter Miku" (1994); first anime original "Le Portrait de Petit Cossette" (2004); Developed Nanoha (2004); joins Studio SHAFT 2005

* Iwakami,
* Aoki Ume

* Pre-production begins early 2009 (February?); Embodened by the success of  fellow SHAFT anime Bakemonogatari, Producer **Iwakami**/Aniplex offers to fund an original magical girl series to **Shinbo**/SHAFT.  Iwakami then went on to assemble [an all-star staff](http://animapple.blogspot.com/2010/12/info-mahou-shoujo-magikamagica.html) and monies to back it:
** Franchise Creator - The Magica Quartet - Shinbo, Iwakami, Gen, Ume
** Studio - SHAFT
** Audio - Kajiura (BGM), Kalafina (ED),  ClariS (OP)


AOKI: The first time I intruded into the dubbing operation was this ep. 3.

http://wiki.puella-magi.net/Guidebook_After_Recording_Report