Almost invisible, this gaseous Pokémon cloaks its target and puts it to sleep without a struggle. In “The Ghost of Maiden’s Peak,” Brock and James of Team Rocket fall under the spell of the mysterious Maiden Rock and the beautiful maiden spirit that haunts it. Our heroes try to get rid of the pesky specter — only to find out that the maiden is a mischievous Gastly in disguise!
First appearance: Episode 20—”The Ghost of Maiden’s Peak”
