Megadeus (English Wikipedia)

"THE BIG O! Chiaki J. Konaka Interview". Anime Jump. 2001. Archived from the original on June 29, 2003. Retrieved January 1, 2007.
Toole, Mike (September 24, 2003). "The Big O vols. 1-4". Anime Jump. Archived from the original on September 26, 2007. Retrieved November 11, 2006.

animeland.com

Penedo, Nicolas. "The Big O, un animé sous influence" (in French). AnimeLand. Archived from the original on September 27, 2007. Retrieved December 16, 2006.

animenation.net

"Ask John: How Much Influence do Americans Have in Anime Co-Productions?". Anime Nation. May 13, 2008. Archived from the original on May 17, 2008. Retrieved May 13, 2008.

animenewsnetwork.com

"Large Toonami Updates". News. Anime News Network. March 27, 2001. Archived from the original on May 27, 2008. Retrieved August 6, 2009.
"Comic-con Adult Swim News". Anime News Network. August 4, 2002. Archived from the original on October 12, 2007. Retrieved November 18, 2006.
"More Big O". Anime News Network. June 9, 2003. Archived from the original on October 12, 2007. Retrieved December 3, 2006.
"Sentai Filmworks Schedules Big O Blu-ray Release for June". Anime News Network. Archived from the original on June 6, 2017. Retrieved June 22, 2017.
"North American Anime, Manga Releases, June 18–24". Anime News Network. Archived from the original on June 24, 2017. Retrieved June 22, 2017.
Green, Scott (April 1, 2002). "The Month in Review - March 2002". Anime News Network. Archived from the original on May 22, 2012. Retrieved June 30, 2008.
"The Big O Preview". Anime News Network. Archived from the original on April 13, 2005. Retrieved November 11, 2006.
Shepard, Chris. "Big O Review". Anime News Network. Archived from the original on March 22, 2007. Retrieved November 4, 2006.
Divers, Allen (January 20, 2004). "The Big O II DVD 1: Paradigm Lost". Anime News Network. Archived from the original on January 18, 2007. Retrieved November 11, 2006.

animeondvd.com

Beveridge, Chris (June 19, 2001). "Anime on DVD Reviews: The Big O Vol. #1". Anime on DVD. Archived from the original on September 27, 2007. Retrieved November 11, 2006.
"Anime on DVD Recommends: The Big O". Anime on DVD. Archived from the original on September 30, 2007. Retrieved November 4, 2006.
Beveridge, Chris (August 21, 2001). "Anime on DVD Reviews: The Big O Vol. #2". Anime on DVD. Archived from the original on June 7, 2008. Retrieved January 1, 2008.
Beveridge, Chris (October 16, 2001). "Anime on DVD Reviews: The Big O Vol. #3". Anime on DVD. Archived from the original on June 7, 2008. Retrieved January 1, 2008.
Beveridge, Chris (December 18, 2001). "Anime on DVD Reviews: The Big O Vol. #4". Anime on DVD. Archived from the original on September 27, 2007. Retrieved November 11, 2006.
Beveridge, Chris (November 3, 2003). "Anime on DVD Reviews: The Big O II Vol. #1". Anime on DVD. Archived from the original on September 30, 2007. Retrieved November 11, 2006.
Beveridge, Chris. "Big O II Vol. #4 (of 4)". AnimeOnDVD.com. Archived from the original on November 1, 2006. Retrieved December 29, 2006.

awn.com

mag.awn.com

Patten, Fred (June 15, 2001). "New from Japan: The Big O Volumes 1 - 4". Animation World Magazine. Archived from the original on October 12, 2007. Retrieved November 23, 2006.

books.google.com

Hal Erickson (July 2005). Television cartoon shows: an illustrated encyclopedia. Vol. 1. McFarland & Co. ISBN 978-0-7864-2255-5. Archived from the original on August 10, 2020. Retrieved September 26, 2016.

buzzfeed.com

"30 Animes That Are Perfect for Binge-Watching and Definitely Not for Kids". BuzzFeed. March 10, 2014. Archived from the original on September 30, 2017. Retrieved September 15, 2017.

crunchyroll.com

Zoth, Thomas (October 14, 2019). "Thanks For the Memories: 20 Years of The Big O". Crunchyroll. Archived from the original on October 19, 2019. Retrieved October 19, 2019.

dvdverdict.com

Arseneau, Adam (March 5, 2004). "The Big O II: Paradigm Lost (Volume 1) Review". DVD Verdict. Archived from the original on April 8, 2007. Retrieved November 4, 2006.
Byun, Bryan (September 30, 2004). "The Big O II: Missing Pieces (Volume 2) Review". DVD Verdict. Archived from the original on December 7, 2006. Retrieved November 4, 2006.

dvdvisionjapan.com

"The Big O Complete Collection DVD Review". DVD Vision Japan. Archived from the original on November 4, 2006. Retrieved November 11, 2006.

ex.org

McCarter, Charles. "The Big-O Original Sound Score". EX: The Online World of Anime & Manga. Archived from the original on February 9, 2007. Retrieved December 15, 2006.
McCarter, Charles. "The Big O! CD Single". EX: The Online World of Anime & Manga. Archived from the original on December 7, 2006. Retrieved December 8, 2006.
Rhee, Keith (February 3, 2000). "The Big O". EX: The Online World of Anime & Manga. Archived from the original on October 7, 2006. Retrieved November 4, 2006.

fansview.com

Lillard, Kevin. "Anime Central 2003 Panel". A Fan's View. Archived from the original on November 28, 2005. Retrieved November 23, 2006.

forbes.com

Barder, Ollie (June 8, 2017). "'The Big O Complete Collection' Blu-Ray Review: Ye Not Guilty". Forbes. Archived from the original on June 8, 2017. Retrieved October 31, 2017.
Barder, Ollie (June 8, 2017). "'The Big O Complete Collection' Blu-Ray Review: Ye Not Guilty". Forbes. Archived from the original on June 8, 2017. Retrieved October 19, 2019.

geo-online.co.jp

"THE ビッグオー ORIGINAL CD DRAMA THEATER "WALKING TOGETHER ON THE YELLOW BRICK ROAD" [The Big O Original CD Drama Theater "Walking Together on the Yellow Brick Road] (in Japanese). GeoOnline. Retrieved August 6, 2009.^{[permanent dead link]}

hlj.com

"HobbyLink Japan - Soul of Chogokin The Big O". Archived from the original on February 23, 2010. Retrieved February 25, 2010.

ign.com

dvd.ign.com

Patrizio, Andy (January 14, 2004). "The Big O II - Paradigm Lost Review". IGN. Archived from the original on September 11, 2008. Retrieved January 1, 2008.
Patrizio, Andy (June 25, 2004). "The Big O II - Aggressive Negotiations Review". IGN. Archived from the original on September 19, 2006. Retrieved November 11, 2006.

japanhero.com

Hayward, Keith. "Super Robot Review: The Big O". Japan Hero. Archived from the original on November 14, 2006. Retrieved November 23, 2006.
"Super Robot Reviews: The Big O II: 2nd Season". Japan Hero. Archived from the original on January 9, 2005. Retrieved November 11, 2006.

konaka.com

Chiaki J. Konaka. "The Big O (production notes)" (in Japanese). Archived from the original on June 7, 2007. Retrieved November 18, 2006.
Chiaki J. Konaka. "THE BIG-O". Archived from the original on March 17, 2016. Retrieved March 20, 2016.

nerdist.com

"6 Anime Series That Deserve a Reboot/Sequel | Nerdist". Archived from the original on February 2, 2016. Retrieved January 28, 2016.

nextstudio.net

amr.nextstudio.net

Shelton, Andrew. "Big O Review". Anime Meta-Review. Archived from the original on August 21, 2006. Retrieved November 4, 2006.

otakuusamagazine.com

Otaku USA Staff (May 30, 2017). "The Big O Anime Heads Back to Paradigm City on Blu-ray!". Otaku USA. Archived from the original on November 7, 2017. Retrieved October 31, 2017.

scifi.com

Robinson, Tasha (April 2, 2001). "Big O". SCI FI Weekly. Archived from the original on September 19, 2007. Retrieved November 11, 2006.
Robinson, Tasha (January 12, 2004). "The Big O II". SCI FI Weekly. Archived from the original on May 29, 2006. Retrieved November 11, 2006.

scifijapan.com

"SciFi JAPAN TV #13: Anime x Tokusatsu: The Big O / 第１３話「アニメx特撮：THEビッグオー」 « SciFi Japan". Scifijapan.com. August 30, 2013. Archived from the original on May 21, 2014. Retrieved May 21, 2014.

sfjazz.org

"Interview with Eddie Muller". SFJAZZ. May 17, 2006. Archived from the original on October 1, 2006. Retrieved November 4, 2006.

theanimereview.com

"The Big O/The Big O II". The Anime Review. Archived from the original on January 31, 2007. Retrieved November 11, 2006.

web.archive.org

Otaku USA Staff (May 30, 2017). "The Big O Anime Heads Back to Paradigm City on Blu-ray!". Otaku USA. Archived from the original on November 7, 2017. Retrieved October 31, 2017.
Barder, Ollie (June 8, 2017). "'The Big O Complete Collection' Blu-Ray Review: Ye Not Guilty". Forbes. Archived from the original on June 8, 2017. Retrieved October 31, 2017.
Hal Erickson (July 2005). Television cartoon shows: an illustrated encyclopedia. Vol. 1. McFarland & Co. ISBN 978-0-7864-2255-5. Archived from the original on August 10, 2020. Retrieved September 26, 2016.
"THE BIG O! Chiaki J. Konaka Interview". Anime Jump. 2001. Archived from the original on June 29, 2003. Retrieved January 1, 2007.
Chiaki J. Konaka. "The Big O (production notes)" (in Japanese). Archived from the original on June 7, 2007. Retrieved November 18, 2006.
"Large Toonami Updates". News. Anime News Network. March 27, 2001. Archived from the original on May 27, 2008. Retrieved August 6, 2009.
"Comic-con Adult Swim News". Anime News Network. August 4, 2002. Archived from the original on October 12, 2007. Retrieved November 18, 2006.
"Ask John: How Much Influence do Americans Have in Anime Co-Productions?". Anime Nation. May 13, 2008. Archived from the original on May 17, 2008. Retrieved May 13, 2008.
"Anime x Tokusatsu: The Big O". CHO Japan. August 29, 2013. Archived from the original on November 29, 2017. Retrieved October 19, 2019.
"More Big O". Anime News Network. June 9, 2003. Archived from the original on October 12, 2007. Retrieved December 3, 2006.
"Ask Kim Manning -- And what is up with Big O Season 3?". Adult Swim. Archived from the original on September 30, 2007. Retrieved December 3, 2006.
"Sentai Filmworks Schedules Big O Blu-ray Release for June". Anime News Network. Archived from the original on June 6, 2017. Retrieved June 22, 2017.
"North American Anime, Manga Releases, June 18–24". Anime News Network. Archived from the original on June 24, 2017. Retrieved June 22, 2017.
McCarter, Charles. "The Big-O Original Sound Score". EX: The Online World of Anime & Manga. Archived from the original on February 9, 2007. Retrieved December 15, 2006.
Penedo, Nicolas. "The Big O, un animé sous influence" (in French). AnimeLand. Archived from the original on September 27, 2007. Retrieved December 16, 2006.
McCarter, Charles. "The Big O! CD Single". EX: The Online World of Anime & Manga. Archived from the original on December 7, 2006. Retrieved December 8, 2006.
Lillard, Kevin. "Anime Central 2003 Panel". A Fan's View. Archived from the original on November 28, 2005. Retrieved November 23, 2006.
Green, Scott (April 1, 2002). "The Month in Review - March 2002". Anime News Network. Archived from the original on May 22, 2012. Retrieved June 30, 2008.
"The Big O". anime and manga for Australia. Archived from the original on August 7, 2007. Retrieved June 30, 2008.
Toole, Mike (September 24, 2003). "The Big O vols. 1-4". Anime Jump. Archived from the original on September 26, 2007. Retrieved November 11, 2006.
"The Big O Preview". Anime News Network. Archived from the original on April 13, 2005. Retrieved November 11, 2006.
Beveridge, Chris (June 19, 2001). "Anime on DVD Reviews: The Big O Vol. #1". Anime on DVD. Archived from the original on September 27, 2007. Retrieved November 11, 2006.
"The Big O Complete Collection DVD Review". DVD Vision Japan. Archived from the original on November 4, 2006. Retrieved November 11, 2006.
"Interview with Eddie Muller". SFJAZZ. May 17, 2006. Archived from the original on October 1, 2006. Retrieved November 4, 2006.
For detail on which episodes Sunrise worked on, see The World's Finest Archived 2006-11-18 at the Wayback Machine.
Rhee, Keith (February 3, 2000). "The Big O". EX: The Online World of Anime & Manga. Archived from the original on October 7, 2006. Retrieved November 4, 2006.
Patten, Fred (June 15, 2001). "New from Japan: The Big O Volumes 1 - 4". Animation World Magazine. Archived from the original on October 12, 2007. Retrieved November 23, 2006.
Hayward, Keith. "Super Robot Review: The Big O". Japan Hero. Archived from the original on November 14, 2006. Retrieved November 23, 2006.
"SciFi JAPAN TV #13: Anime x Tokusatsu: The Big O / 第１３話「アニメx特撮：THEビッグオー」 « SciFi Japan". Scifijapan.com. August 30, 2013. Archived from the original on May 21, 2014. Retrieved May 21, 2014.
"The Big O section at Hitoshi Ariga's site" (in Japanese). Archived from the original on September 30, 2007. Retrieved August 1, 2007.
Chiaki J. Konaka. "THE BIG-O". Archived from the original on March 17, 2016. Retrieved March 20, 2016.
"HobbyLink Japan - Soul of Chogokin The Big O". Archived from the original on February 23, 2010. Retrieved February 25, 2010.
Arseneau, Adam (March 5, 2004). "The Big O II: Paradigm Lost (Volume 1) Review". DVD Verdict. Archived from the original on April 8, 2007. Retrieved November 4, 2006.
Byun, Bryan (September 30, 2004). "The Big O II: Missing Pieces (Volume 2) Review". DVD Verdict. Archived from the original on December 7, 2006. Retrieved November 4, 2006.
Shelton, Andrew. "Big O Review". Anime Meta-Review. Archived from the original on August 21, 2006. Retrieved November 4, 2006.
Shepard, Chris. "Big O Review". Anime News Network. Archived from the original on March 22, 2007. Retrieved November 4, 2006.
Forbes, Jake (January 2001). "The Big-O". Animefringe. Archived from the original on September 21, 2007. Retrieved November 11, 2006.
"Anime on DVD Recommends: The Big O". Anime on DVD. Archived from the original on September 30, 2007. Retrieved November 4, 2006.
Robinson, Tasha (April 2, 2001). "Big O". SCI FI Weekly. Archived from the original on September 19, 2007. Retrieved November 11, 2006.
Patrizio, Andy (January 14, 2004). "The Big O II - Paradigm Lost Review". IGN. Archived from the original on September 11, 2008. Retrieved January 1, 2008.
"The Big O/The Big O II". The Anime Review. Archived from the original on January 31, 2007. Retrieved November 11, 2006.
Beveridge, Chris (August 21, 2001). "Anime on DVD Reviews: The Big O Vol. #2". Anime on DVD. Archived from the original on June 7, 2008. Retrieved January 1, 2008.
Beveridge, Chris (October 16, 2001). "Anime on DVD Reviews: The Big O Vol. #3". Anime on DVD. Archived from the original on June 7, 2008. Retrieved January 1, 2008.
Beveridge, Chris (December 18, 2001). "Anime on DVD Reviews: The Big O Vol. #4". Anime on DVD. Archived from the original on September 27, 2007. Retrieved November 11, 2006.
"Big O Review". Anime Academy. Archived from the original on October 15, 2006. Retrieved November 4, 2006.
Beveridge, Chris (November 3, 2003). "Anime on DVD Reviews: The Big O II Vol. #1". Anime on DVD. Archived from the original on September 30, 2007. Retrieved November 11, 2006.
Divers, Allen (January 20, 2004). "The Big O II DVD 1: Paradigm Lost". Anime News Network. Archived from the original on January 18, 2007. Retrieved November 11, 2006.
Robinson, Tasha (January 12, 2004). "The Big O II". SCI FI Weekly. Archived from the original on May 29, 2006. Retrieved November 11, 2006.
Patrizio, Andy (June 25, 2004). "The Big O II - Aggressive Negotiations Review". IGN. Archived from the original on September 19, 2006. Retrieved November 11, 2006.
"Super Robot Reviews: The Big O II: 2nd Season". Japan Hero. Archived from the original on January 9, 2005. Retrieved November 11, 2006.
Beveridge, Chris. "Big O II Vol. #4 (of 4)". AnimeOnDVD.com. Archived from the original on November 1, 2006. Retrieved December 29, 2006.
"30 Animes That Are Perfect for Binge-Watching and Definitely Not for Kids". BuzzFeed. March 10, 2014. Archived from the original on September 30, 2017. Retrieved September 15, 2017.
"6 Anime Series That Deserve a Reboot/Sequel | Nerdist". Archived from the original on February 2, 2016. Retrieved January 28, 2016.
Barder, Ollie (June 8, 2017). "'The Big O Complete Collection' Blu-Ray Review: Ye Not Guilty". Forbes. Archived from the original on June 8, 2017. Retrieved October 19, 2019.
Zoth, Thomas (October 14, 2019). "Thanks For the Memories: 20 Years of The Big O". Crunchyroll. Archived from the original on October 19, 2019. Retrieved October 19, 2019.

worldsfinestonline.com

For detail on which episodes Sunrise worked on, see The World's Finest Archived 2006-11-18 at the Wayback Machine.

youtube.com

"Anime x Tokusatsu: The Big O". CHO Japan. August 29, 2013. Archived from the original on November 29, 2017. Retrieved October 19, 2019.