Super Friends - Season 2 - Eps 6: The Enforcer / The Shark / Planet of the Neanderthals / Flood of Diamonds
The Enforcer: Upon encountering a man named Garth-1 on a South Pacific Island, Wonder Woman and Aquaman head to his home Arcava (an underground city within a deserted South Pacific Island) to help free his people from an evil dictator called the Enforcer. The Shark: The Wonder Twins, Zan and Jayna, must save two boys that are trapped underwater by a shark. Planet of the Neanderthals: An evil scientist known as Varko devolves Earth back to a prehistoric planet and brings Neanderthals under his command to the present, which will remain so unless the Super Friends can stop him and retrieve the machine responsible for this from the prehistoric times it was placed in. With the help of Skylab, they build a time tunnel and bring his device back, restoring the world. Flood of Diamonds: Aquaman and Green Lantern head to Africa to save trapped miners in a diamond mine that is slowly flooding.
About Super Friends

Title: Super Friends
First Air Date: 1973-09-08
Last Air Date: 1985-10-26
Status: Ended
Rating: 7.625/10 (from 120 votes)
Language: EN
Seasons: 10
Total Episodes: 109
Network: ABC
Genres: Animation, Sci-Fi & Fantasy
Production Companies: Eric Porter Studios, Hanna-Barbera Productions
Synopsis
The most powerful heroes ever--Superman, Wonder Woman, Aquaman, Batman and Robin--join forces with teenagers Wendy and Marvin and their dog, Marvel the Wonderdog, to defend justice and guard the innocent.
Cast

Danny Dark
Superman (voice)

Adam West
Batman (voice)

Casey Kasem
Robin (voice)

Mark L. Taylor
Firestorm (voice)

Frank Welker
Darkseid (voice)

William Callaway
Aquaman (voice)

Ernie Hudson
Cyborg (voice)

B.J. Ward
Wonder Woman (voice)

René Auberjonois
Desaad (voice)