Aquaman (1968)

Tremors and quakes are causing havoc in the sea. Aqualad is in the area and Aquaman goes to investigate. Turns out that diamond drills controlled by the Molemen, a race of mutants, are causing the problems. Aquaman is captured by the Molemen while Aqualad goes to warn Atlantis and learns of an invasion plan. Can Aquaman save himself and Atlantis?