A little girl "kidnaps" her half-sister in order to get the attention of her father who left her mother years ago for another woman (who gave birth to her half-sister)
What's New, Scooby-Doo? Vol. 7: Ready to Scare
Re-Existences
What's New Scooby-Doo? Vol. 10: Monstrous Tails
Would I Lie to You? 3