This is a historical timeline reference for all of the major real-life events of Mixels; past, present, and future.
For in-universe events, see here.
2012
| Late 2012-early 2013 | Mixels orignally went into development as Monsters at LEGO. A pilot for Mixels entered production likely around this time and was pitched to Cartoon Network. The series was greenlit. |
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2013
| Early 2013 | Mixels entered production at Cartoon Network Studios. |
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| July 18, 2013 | The first day of San Diego Comic-Con International 2013 was held on this day. Mixels was announced and Flain, Seismo, and Volectro were previewed. |
| September 2013 | The first mix of episodes finished post-production at Hacienda Post. |
| December 23, 2013 | Official pictures of Series 1 are found in a retailer's catalog, along with a general description of the theme and the revelation of the Nixels. |
2014
| January 27, 2014 | Cartoon Network issued a press release on Mixels and the scheduled release date for its shorts, the app Calling All Mixels, and the LEGO sets. |
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| February 1, 2014 | Mixels debuted on Cartoon Network in the Netherlands and Flanders. |
| February 3, 2014 | Mixels debuted on Cartoon Network in Central Eastern European countries. |
| February 6, 2014 | The Flash-based website for Mixels and the Mixels section of the LEGO website was launched internationally. |
| The Mixels TV series made its American debut on the Flash-based website. | |
| February 7, 2014 | Mixels debuted in select theaters with The LEGO Movie in the United States. |
| February 12, 2014 | Mixels debuted on Cartoon Network in the United States. |
| February 15, 2014 | Mixels debuted on Cartoon Network in Portugal, the United Kingdom, and India, and on Boing in Spain. |
| February 19, 2014 | Mixels debuted on Boomerang in the United States. |
| March 1, 2014 | LEGO Mixels debuted its first wave of sets internationally. |
| March 7, 2014 | Mixels debuted on Cartoon Network in Japan. |
| March 14, 2014 | Calling All Mixels was released internationally by Cartoon Network Games for iOS devices on the iTunes App Store. |
| April 2, 2014 | Calling All Mixels was released internationally by Cartoon Network Games for Android devices on the Google Play Store. |
| May 2014 | Production on Season 2 of Mixels began at Cartoon Network Studios. |
| May 12, 2014 | The Flash-based website for Mixels was updated to reflect the newly-added tribes. |
| May 19, 2014 | The Mixels section of the LEGO website was updated for Series 2. |
| May 29, 2014 | Calling All Mixels was updated to reflect the newly-added tribes. |
| June 1, 2014 | LEGO Mixels debuted its second wave of sets internationally. |
| July 24, 2014 | The first day of San Diego Comic-Con International 2014 was held on this day. Nurp-Naut, Burnard, and Globert were previewed. |
| July 27, 2014 | A Mixels special entitled "Movie" aired on Cartoon Network in India. |
| August 13, 2014 | The Mixels section of the LEGO website was updated for Series 3. |
| August 18, 2014 | The Flash-based website for Mixels was updated to reflect the newly-added tribes. |
| August 28, 2014 | Calling All Mixels was updated to reflect the newly-added tribes. |
| August 31, 2014 | The half-hour TV special, Mixels: Mixed Up Special, was aired on Cartoon Network in the United States, thus concluding Season 1. |
| September 1, 2014 | LEGO Mixels debuted its third wave of sets internationally. |
| September 6, 2014 | The half-hour TV special, Mixels: Mixed Up Special, was aired on Cartoon Network in Central Eastern European countries, thus concluding Season 1. |
| September 7, 2014 | The half-hour TV special, Mixels: Mixed Up Special, was aired on Cartoon Network in the Netherlands and Flanders, thus concluding Season 1. |
| September 9, 2014 | The half-hour TV special, Mixels: Mixed Up Special, was aired on Cartoon Network in Brazil, thus concluding Season 1. |
| September 20, 2014 | The half-hour TV special, Mixels: Mixed Up Special, was aired on Cartoon Network in the United Kingdom, thus concluding Season 1. |
2015
| January 8, 2015 | The Mixels section of the LEGO website was updated for Series 4. |
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| February 1, 2015 | LEGO Mixels debuted its fourth wave of sets internationally. |
| March 9, 2015 | The half-hour TV special, Mixels: Moon Madness, was aired on Cartoon Network in the United States and Canada. |
| March 13, 2015 | The half-hour TV special, Mixels: Moon Madness, was aired on Cartoon Network in Italy. |
| March 14, 2015 | The half-hour TV special, Mixels: Moon Madness, was aired on Cartoon Network in Hong Kong, South East Asia, Australia, the United Kingdom, Taiwan, South Korea, Japan, and Russian South Eastern European countries. |
| March 16, 2015 | The half-hour TV special, Mixels: Moon Madness, was aired on Cartoon Network in India. |
| March 21, 2015 | The half-hour TV special, Mixels: Moon Madness, was aired on Cartoon Network in the Netherlands and Flanders, Poland, and Portugal, and on Boing in Spain. |
| April 1, 2015 | The half-hour TV special, Mixels: Moon Madness, was aired on Cartoon Network in Latin America and Brazil. |
| April 3, 2015 | The half-hour TV special, Mixels: Moon Madness, was aired on Cartoon Network in the Scandinavian and Nordic region. |
| April 20, 2015 | The half-hour TV special, Mixels: Moon Madness, was aired on Cartoon Network in Africa. |
| May 8, 2015 | The Mixels section of the LEGO website was updated for Series 5. |
| May 20, 2015 | Mixels Rush was released in New Zealand by Cartoon Network Games for iOS devices on the iTunes App Store and for Android on the Google Play Store. |
| May 21, 2015 | Mixels Rush was released internationally by Cartoon Network Games for iOS devices on the iTunes App Store and for Android on the Google Play Store. |
| June 1, 2015 | LEGO Mixels debuted its fifth wave of sets internationally. |
| September 10, 2015 | The Mixels section of the LEGO website was updated for Series 6. |
| September 26, 2015 | The half-hour TV special, "Quest for the Mixamajig", was aired on Cartoon Network in the United States. |
| October 1, 2015 | LEGO Mixels debuted its sixth wave of sets internationally. Also, Mixels Rush was updated to reflect the newly-added tribes. |
| October 3, 2015 | The half-hour TV special, "Quest for the Mixamajig", is aired on Cartoon Network in the United Kingdom, Ireland, South East Asia, and Taiwan. |
| The half-hour TV special, Mixels: Moon Madness, was aired on Boomerang in Latin America. | |
| October 6, 2015 | The half-hour TV special, "Quest for the Mixamajig", was aired on Cartoon Network in the Middle East and North African countries. |
| October 11, 2015 | Official photos of Series 7 and 8 are found on LEGO's server. |
| October 17, 2015 | The half-hour TV special, "Quest for the Mixamajig", was aired on Cartoon Network in Poland, and on Boing in Spain. |
| October 18, 2015 | The half-hour TV special, "Quest for the Mixamajig", was aired on Cartoon Network in Germany. |
| October 24, 2015 | The half-hour TV special, "Quest for the Mixamajig", was aired on Cartoon Network in Central Eastern European and Russian South Eastern European countries. |
| October 25, 2015 | The half-hour TV special, "Quest for the Mixamajig", was aired on Cartoon Network in Latin America. |
| November 21, 2015 | The half-hour TV special, "Quest for the Mixamajig", was aired on Cartoon Network in South Africa. |
| November 25, 2015 | The TV special, Mixels: Moon Madness, and the Season 2 episode, "Quest for the Mixamajig," are uploaded in their entirety to Cartoon Network's official YouTube channel in the United States. |
| December 9, 2015 | The first chapter of the Mixels documentary is released. |
| December 11, 2015 | The second chapter of the Mixels documentary is released. |
| December 16, 2015 | The third and fourth chapters of the Mixels documentary are released. |
| December 17, 2015 | The fifth and final chapter of the Mixels documentary is released. |
| Retailer catalog images of Series 7 LEGO sets are released, alongside a teaser of Series 8. |
2016
| January 12, 2016 | The Mixels section of the LEGO website was updated for Series 7. |
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| February 1, 2016 | LEGO Mixels debuted its seventh wave of sets internationally. |
| March 5, 2016 | The second season episode of Mixels aired on Cartoon Network in the United States and Canada: "Every Knight Has Its Day". |
| March 12, 2016 | The second season episode of Mixels aired on Cartoon Network in the Philippines: "Every Knight Has Its Day". The panel "LEGO Group and Cartoon Network: Building Future Fans" was hosted at South by Southwest. |
| March 24, 2016 | The second season episode of Mixels aired on Cartoon Network in Latin America and Brazil: "Every Knight Has Its Day". |
| March 25, 2016 | The second season episode of Mixels aired on Cartoon Network in Australia: "Every Knight Has Its Day". |
| March 26, 2016 | The second season episode of Mixels aired on Cartoon Network in Poland, South East Asia, Korea, and Hong Kong: "Every Knight Has Its Day". |
| March 27, 2016 | The second season episode of Mixels aired on Cartoon Network in the Netherlands: "Every Knight Has Its Day". |
| March 28, 2016 | The second season episode of Mixels aired on Cartoon Network in Germany: "Every Knight Has Its Day". |
| April 2, 2016 | The second season episode of Mixels aired on Cartoon Network in Japan: "Every Knight Has Its Day". |
| April 3, 2016 | The second season episode of Mixels aired on Cartoon Network in Turkey: "Every Knight Has Its Day". |
| April 10, 2016 | The second season episode of Mixels aired on Cartoon Network in Portugal: "Every Knight Has Its Day". |
| April 17, 2016 | The second season episode of Mixels aired on Cartoon Network in Scandinavia: "Every Knight Has Its Day". |
| May 28, 2016 | The second season episode of Mixels premiered on Cartoon Network in the RSEE: "Every Knight Has Its Day". |
| June 1, 2016 | LEGO Mixels debuted its eighth wave of sets internationally. The Mixels section of the LEGO website was updated for Series 8. |
| June 11, 2016 | The second season episode of Mixels aired on Cartoon Network in the United Kingdom: "Every Knight Has Its Day". |
| July 22, 2016 | The second season episode of Mixels aired on Cartoon Network in Italy: "Every Knight Has Its Day". |
| July 2016 | "Nixel, Nixel, Go Away" finished production and was delivered to the network. |
| October 1, 2016 | LEGO Mixels debuted its ninth and final wave of sets internationally and Nixel, Nixel, Go Away", the fourth episode in the second season of Mixels and the series finale, premiered on Cartoon Network in the United States. |
| October 15, 2016 | "Nixel, Nixel, Go Away", the fourth episode of the second season of Mixels and the series finale, premiered on Cartoon Network in the Netherlands & Flanders and Germany. |
| October 12, 2016 | "Nixel, Nixel, Go Away", the fourth episode of the second season of Mixels and the series finale, premiered on Cartoon Network in Brazil. |
| October 22, 2016 | "Nixel, Nixel, Go Away", the fourth episode of the second season of Mixels and the series finale, premiered on Cartoon Network in Central Eastern Europe. |
| November 5, 2016 | "Nixel, Nixel, Go Away", the fourth episode of the second season of Mixels and the series finale, premiered on Cartoon Network in India. |
| November 20, 2016 | "Nixel, Nixel, Go Away", the fourth episode of the second season of Mixels and the series finale, premiered on Cartoon Network in Japan. |
2017
| May 12,
2017 |
Mixels is referenced in the Uncle Grandpa episode "Transitional Phase". |
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