Leonardo was the leader of his own team, he even had his own friends and one of his best ones is Sonic The Hedgehog. He even had his own girlfriend named Twilight Sparkle. But one day Leonardo made a big mistake which leads him a dead situation, but then meets a mighty team called the Teen Titans. Leonardo joins the Titans and is to be trained with them as they'll have what it takes to take down the villain Deathstroke. While that, Leonardo's family and friends are on the search for their lost brother and will fight what they can to find him. But even worst, Sunset Shimmer is having a depression of her past that haunts her, and That cause is by the most evilest laughing villain of all....the Joker. But not just that, There are also old enemies who have suddenly changed and to join the titans, but Leonardo may have a while to trust them. Leonardo and the Teen Titans will fight for Gotham when they suddenly meet Batman and the Justice League. And they'll team up as the Teenage Equestrian Ninja Titans!