Miraculous: Tales of Ladybug & Cat Noir (2015)

S3E9 Reflekdoll

Ladybug and Cat Noir find themselves in a unique situation when they swap their Miraculous to confront Juleka, who has transformed back into Reflekta and unleashed a sentimonster. With their powers temporarily switched, they must rely on each other's abilities to tackle this new challenge and bring Juleka back to her senses.