Episodes 6-9 of Volume 2 of the children's animated series 'Sub-Mariner'. In 'Dr. Doom's Day/The Doomed Allegiance/Tug Of Death', the evil Dr. Doom plots to unite all of the world's evil minds with an 'emotion charger' machine. The superheroes join together to fight the diabolical group. In 'Let The Stranger Die/To Destroy A Tyrant/Save A City', the evil Zantor traps Prince Namor and sends him back in time to ancient Rome where Nero forces the prince to fight a gladiator. In 'The World Within/Atlantis Is Doomed (Part I)/Atlantis Is Doomed (Part II)', Zantor sends the stone plague to Atlantis, and Namor must discover a cure by finding the enchanted trident and calling upon Neptune for help. In 'Beware The Siren Song/The Spell Of Lorelei/Return Of The Mudbeast', Lorelei changes herself into Lady Dorma and casts a spell on all of the people of Atlantis. She will end the spell if Sub-Mariner marries her.