Ep 18. The Silver Sphere / To Catch A Fisherman / Sirena, Empress Of Evil

War between the Lizard-Men and the Tortoids erupts when each claims "The Silver Sphere." / Aquaman searches for a missing Tusky in "To Catch A Fisherman." / The evil Sirena plots to use the Green Lantern to attack the Guardians in "Sirena, Empress Of Evil." This segment includes guest star: Green Lantern.