Pokemon Go Dual Destiny Season Beginning December 3
Running from December 3 until March 4, Pokémon Go Trainers’ Dual Destiny will feature the return of the Trainer-favorite event Pokemon GO Tour, new epic Max Battles and more Pokemon originally discovered in the Galar region.
Source: https://www.gamersheroes.com/gaming-news/pokemon-go-dual-destiny-season-beginning-december-3/