Nightwing: The Series

Years later after a falling out with his mentor, Dick Grayson aka Robin emerges in the city of Bludhaven, adopting the alter ego of Nightwing, cleaning up the city streets. But Deathstroke, known as a mysterious, dangerous assassin, shows up to do his evil deeds against its citizens. Can Nightwing do the job of defeating Deathstroke? Five fully captioned episodes.

https://www.youtube.com/playlist?list=PLKYGZbsY88fwAGBTgcBCJ0IUqHJqNO_bG