Pokémon Go Kanto Throwback Challenge event guide - Polygon

From May 1 until May 8, Kanto region Pokémon will be spawning in abundance. There’s also a set of tasks to complete within the week that reward a coveted Mewtwo.

Pokémon GO' Releases Throwback Challenges for OG Regions Like Kanto

Throwback Challenge: Johto - Leek Duck

I'm straight lost… : r/pokemongo

Throwback Challenge 2020: Kanto

Pokémon GO' Releases Throwback Challenges for OG Regions Like Kanto

Pokémon Go Kanto Special Research quest tasks and rewards - How to

Throwback Challenge 2020 Event Guide

I'm straight lost… : r/pokemongo

Throwback Challenge: Kanto - Leek Duck