As usual, Niantic have not announced all the bonuses for the event beforehand.
Mewtwo will be a Raid Boss for a month after Regirock leaves, while Kanto Regionals may hatch from Alolan Eggs.
A new Spinda form and Silver Pinap Berries can be found as well.
Get your Star Pieces ready too and make the most of extra Stardust events!
Like last time, it has a chance to be Shiny.
You can begin the quests for Celebi right now!
In case you didn’t know, it’s a Rock-type Pokémon.
Celebi travels through time to show itself to Pokémon GO players! Don’t worry – you can still get Mew if you haven’t got it yet.
The dates for the next three Community Days, including Chikorita’s, have been announced.
But first, improvements are to come to the Friend system.