If you've caught enough of each respective Pokemon to evolve them ... your chances of finding shiny Caterpie, Wurmple, and Weedle during their Spotlight Hour in Pokémon GO.

So, how do you get there quickly? Be recycling your duplicates. Pokémon like Rattata and Pidgey and Weedle — Pokémon that you run into frequently, that cost very few candy to evolve.