Clemont's Got a Secret!

Returning to Lumiose City, Ash & co. bump into Clemont & Bonnie's father, who inadvertently reveals to Ash and Serena that Clemont is the Lumiose City Gym Leader. However, they soon learn that a machine created by Clemont, the Citroid, which was to guard the gym, has instead taken over it. Clemont is eager to stop the Citroid and infiltrates the gym, only to find that the Citroid demands a battle. Will Clemont be able to retake the gym?