TMNT Season 7 Episode 4 - The Engagement Ring Episode Title:The Engagement Ring.Episode Description:Casey and Raphael head to Chinatown to find an engagement ring for April. However, as Hun is after a magical ring that can summon monsters, as precaution against the Cyber-Shredder, the store-owner gives it to Casey. The ring causes the evil in April to grow, until she turns into a monster; Hun is beaten badly, leaving him to give up on the ring. Managing to get the ring off April, Casey succeeds in saving her. The store-owner gives her the real engagement ring, and she and Casey are engaged.