Season 1, Episode 18
War between the Lizard-Men and the Tortoids erupts when each claims The Silver Sphere. / Aquaman searches for a missing Tusky. / The evil Sirena plots to use the Green Lantern to attack the Guardians.
Season 1, Episode 17
The Stickmen of Stygia plot to kidnap Aquaman. / A genie's obedience spells disaster. / The Green Lantern must free a friend from a penal asteroid before the prison skips dimensions.
Season 1, Episode 16
The Brain tries to destroy Aquaman by forcing him to the surface. / Aquaman explores a newly discovered aquatic planet. / Evil Star threatens to take the battle to the Guardians.
Season 1, Episode 15
Evil genius Dr. Lamprey plots to unleash The Undersea Trojan Horse. / Vassa tries to drill her way inside the dome of Atlantis. / Two odd but lethal pranksters from Jupiter send the heroes into The Twenty-Third Dimension.
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