Maylene, the third Sinnoh Gym Leader, has a Lucario and it was seen in four different episodes of the "" series. It was first seen battling with Maylene in their training. Lucario uses Aura Sphere to stop the battle of Electabuzz, Piplup, and Pikachu, and is seen battling Paul's Pokémon in a flashback. Lucario was seen again where it battles in Dawn's gym battle with Maylene, where it defeats Dawn's Piplup. Then, in the next episode, it battles in Ash's gym battle against Maylene. It defeats Ash's Staravia and Chimchar, but gets knocked out along with Ash's Buizel, resulting in a tie. Finally, Lucario was seen when it helps Ash and the others defeat Saturn and Team Galactic. A different Lucario appears on Iron Island, owned by a trainer named Riley. Lucario protects Ash from Pokémon on the island that are fighting against each other.