"Diamond and Pearl" are the titles of the fourth generation of the popular video game series Pokémon. Released for the Nintendo DS in 2006, these games introduced players to the Sinnoh region, featuring new Pokémon, characters, and gameplay mechanics. Players embark on a journey to become a Pokémon Champion by battling trainers, capturing Pokémon, and completing the Pokédex. In addition to the main storyline, "Diamond and Pearl" introduced online features, allowing players to trade and battle with others worldwide. The games also laid the groundwork for subsequent titles, including remakes like Pokémon Brilliant Diamond and Shining Pearl, which were released in 2021.