December is the twelfth month of the year in the Gregorian Calendar. It has 31 days.
2013[]
- Dec 23: German retailer catalog images of Series 1 LEGO sets are released. In addition, the logo is revealed, revealing three other Mixels.
2015[]
- Dec 9: The first chapter of The Wonderful World of Mixels is released.
- Dec 11: The second chapter of The Wonderful World of Mixels is released.
- Dec 13: A Quest for the Lost Mixamajig is reaired during the LEGO Day marathon on Cartoon Network.
- Dec 16: The third chapter of The Wonderful World of Mixels is released.
- Dec 17: The fourth chapter of The Wonderful World of Mixels is released.
- Dec 18: Retailer catalog images of Series 7 LEGO sets are released, and the fifth and final chapter of The Wonderful World of Mixels is released.
- Dec 23: The full compilation of The Wonderful World of Mixels is released.