Mai and Yugi's group's campout was an event in the Yu-Gi-Oh! manga and second series anime during the Duelist Kingdom tournament. During the night after the first day of the tournament preliminaries, Yugi Muto, Joey Wheeler, Téa Gardner and Tristan Taylor were without food. Ryo Bakura was with them too in the manga, but showed up slightly later in the anime. Mai Valentine who had previously been antagonistic towards them decided to share her food and supplies with them and they spent the night together.