Season of Mischief

Season of Mischief was the fourth Season in Pokémon GO.

Featured Pokémon
These Pokémon were released at the start of the event:

These Pokémon had increased spawn rates in the wild and from Incense or Lure Modules in cities:

These Pokémon had increased spawn rates in the wild and from Incense or Lure Modules in forests:

These Pokémon had increased spawn rates in the wild and from Incense or Lure Modules in mountains:

These Pokémon had increased spawn rates in the wild and from Incense or Lure Modules near bodies of water:

Autumn-themed Pokémon had increased spawn rates in the wild and from Incense or Lure Modules in the northern hemisphere:

Spring-themed Pokémon had increased spawn rates in the wild and from Incense or Lure Modules in the southern hemisphere:

Ditto can disguise itself as the following Pokémon since the start of the event. Also, wild Ditto can be shiny.

Special Research
Misunderstood Mischief Special Research was the main focus in this Season, featuring the Mythical Pokémon Hoopa. Its parts were made available throughout different events. Another Special Research Mischief Unbound concluded the Season.

List of Season of Mischief Events
During this season, there were 17 events, being 4 of them regional.