Synopsis by Hal Erickson
Manning his new experimental submarine, Dr. Quest embarks upon an underwater expedition. Back on the surface, Jonny Quest and Race are kidnapped by pirate chieftain Svedri and his not-so-merry crew. The two good guys are held for ransom, with the high-tech submarine as the "payoff." Making good use of the familiar Hanna-Barbera underwater "blur" effect, "Pirates from Below" was initially broadcast on January 14, 1965.