A Simpsons Christmas Special 2018 Event

 is the 1st multi-event of 2018, the 36th major event overall and the 7th Christmas Event. It was released on December 5, 2018, and will end on January 2, 2019.

Unlike most major events, it was divided into four acts:
 * Act 1: December 5, 2018 - December 12, 2018
 * Act 2: December 12, 2018 - December 19, 2018
 * Act 3: December 19, 2018 - December 26, 2018
 * Act 4: December 26, 2018 - January 2, 2019