You will Watch Teen Titans Episode 3 online for free episodes with HQ / high quality. Stream cartoons Teen Titans Episode 3 Final Exam Three new graduates from the H.I.V.E. Academy, Gizmo, Jinx and Mammoth, are hired by Slade to ambush the Titans. The Titans try to stop them, but Robin is lost during the fight and Titans Tower is taken over by the H.I.V.E students. He returns near the end.