Halloween 2019

Halloween in 2019 was the fourth Halloween event in Pokémon GO.

Since the start of event

 * New avatar items were added, including a Zubat Bag, Pikachu Onesie, Cubone Cap, Litwick Cap, and Mimikyu Bag.
 * More Pokémon can be rescued from Team GO Rocket.

Moreover, these Shiny Pokémon were released with the start of the event.

Event time only
Ghost-type and Dark-type Pokémon were seen more frequently in the wild, Eggs and raids. The Mythical Pokémon, Darkrai, made its first appearance in Raid Battles as a Raid Boss until November.

Also, the amount of candy awarded for catching, hatching, and transferring Pokémon were doubled.

Featured Pokémon
Following Pokémon had increased spawn rates in the wild:

Additionally, exclusive Kanto starters, wearing creepy-cute Halloween costumes, were available in Raid Battles for the duration of the event.

Furthermore, Spiritomb was once again available exclusively for completing the Special Research tasks series – A Spooky Message.

The following Raid Bosses were available for a time of this event.

Field Research event tasks
There were several Field Research tasks exclusively available only during the event.

Shop special offer
The following offers were available from the shop from the start of the event.

Trivia

 * Shuppet is shown to be a Raid Boss in the promotional video, but this does not happen in the event.