Unnamed island (BW138)

This unnamed island is the fifteenth island that and  visited during their travels through the Decolore Islands. It was featured in Go, Go Gogoat!.

While Alexa was working on one of her articles, she had the group watch her. While doing so, they meet a boy named Tony, who wanted to see his father. Tony touched Gogoat's horns. It took Tony to see his father while Ash and his friends weren't looking.

Tony's mother and Officer Jenny went looking for him following his departure. The group and Alexa helped out by searching for him on the mountains. Ash and Alexa managed to find him and convince him to return home, but Tony wanted to get to the observatory. The three and Gogoat headed to the observatory. Along the way, they encounter a group of, who blocked their way. Left with no other choice, they climbed up the mountain using Gogoat.

They made it to the observatory, meeting up with and  along the way. Tony finally got to see his father and the whole family, along with the group, Alexa, and Officer Jenny, saw a of.

Pokémon seen on the island
Isla sin nombre 5 (Islas Decolora/Decoloras) Isola senza nome (BW138) 无名岛（BW138）