In "Menace of the Black Manta," Aquaman and Aqualad are attacked by a sinister black submarine. Reptile-Men abduct Aqualad in "The Rampaging Reptile-Men." The Justice League battles invaders in "Between Two Armies." This segment includes guest star: Justice League of America.
Aquaman find four giants trapped in a sea cave in "The Return of Nepto." A huge alien spaceship sets fire to the oceans in "The Fiery Invaders." The League battles an evil armada in "Target Earth." This segment includes guest star: Justice League of America.
Aliens collecting specimens for their collection release a Venusian sea serpent in "The Sea Raiders." The friends find a portal to another water world in "War Of The Water Worlds." The evil Mastermind threatens to reveal the secret identities of the League members in "Bad Day On Black Mountain." This segment includes guest star: Justice League of America.
An undersea volcano explodes, unleashing a lava monster in "The Volcanic Monster." A huge red monster uses acid to destroy everything in its path in "The Crimson Monster From the Pink Pool." Tiny aliens invades the Earth aboard a meteorite in "Invasion of the Beetle-Men." This segment includes guest star: The Atom.
Aquaman's domain is threatened by a huge monster called "The Ice Dragon." A platoon of drilling submarines operated by a race of mutant Mole Men attack Atlantis in "The Deadly Drillers." A plan to establish a research station is delayed by "The Plant Master." This segment includes guest star: The Atom.
Mechanical whales under the command of "Vassa - Queen of the Mermen" attack Aquaman. Black Manta strikes again, using mutant plankton, in "The Microscopic Monsters." Atom must free the professors from "The House Of Doom." This segment includes guest star: The Atom.
