The Herculoids - Season 1 - Eps 30: Revenge of the Pirates
The pirate captain and his crew from "The Pirates" return. Using an image transmitter, the captain immobilizes Zandor and the Herculoids and takes Dorno and Tara prisoner. Zok uses his neutralizing eye beams to free them, then Gloop finds the real Dorno and Tara from the transmitted images and the Herculoids launch a new assault. The captain tries to escape, but Gloop blocks his escape missile tube, causing the ship to explode.
About The Herculoids

Title: The Herculoids
First Air Date: 1967-09-09
Last Air Date: 1968-01-06
Status: Ended
Rating: 7.2/10 (from 23 votes)
Language: EN
Seasons: 2
Total Episodes: 36
Network: CBS
Genres: Animation, Action & Adventure, Sci-Fi & Fantasy
Production Companies: Hanna-Barbera Productions
Synopsis
Somewhere out in the deep space live the Herculoids. Humanoid Zandor, along with his wife Tara and son Dorno, lead a group of unique creatures: Zok the flying dragon, powerful simian Igoo, rhinoceros hybrid Tundro and two protoplasmic wonders named Gloop and Gleep. Together, they use their diverse super strengths to defend their utopian planet against attack from sinister invaders.
Cast

Don Messick
Gloop / Gleep

Virginia Gregg
Tarra

Mike Road
Zandor

Sparky Marcus

Ted Cassidy

Ted Eccles
Dorno