Pokémon Ultra Sun & Ultra Moon - Serial Code Events

Event Pokemon - Pokemon Sun & Pokemon Moon Guide - IGN

Special & Event Pokemon Mini-Guide - Pokémon Ultra Sun - Neoseeker

List of American region serial code event Pokémon distributions (Sun, Moon, Ultra Sun, and Ultra Moon) - Bulbapedia, the community-driven Pokémon encyclopedia

Shiny Poipole Serial Code event was - Pokémon Global News

Serial Code For Mythical Pokémon Arceus Included In The February 2018 Issue Of CoroCoro In Japan - Siliconera

Shiny Solgaleo and Lunala comes to play! - Pokémon US & UM Forum - Neoseeker Forums

Buy Zeraora Event for Pokemon Ultra Sun and Ultra Moon - Rawkhet Pokemon

List of American region serial code event Pokémon distributions (Sun, Moon, Ultra Sun, and Ultra Moon) - Bulbapedia, the community-driven Pokémon encyclopedia

Mystery Gift Codes - Pokemon Sun & Pokemon Moon Guide - IGN