You will Watch Teen Titans Episode 51 online for free episodes with HQ / high quality. Stream cartoons Teen Titans Episode 51 Raven has seemingly been destroyed – and so has Earth. Now the four remaining Titans, plus a deeply embittered Slade must stop Trigon and his minions. Their only defense is the mystical Ring of Azar, which is given to them by Slade, and the “farewell blessing” Raven’s unusually strong willpower left the Titans to protect them from her father. While Starfire, Cyborg, and Beast Boy fight Trigon and must square off with their negative-selves, Robin ends up working with Slade to find Raven, who he cannot accept is really gone, and soon learns Slade’s true agenda.