Complex sentence: The name "Amzot" was first mentioned in the "Space Ghost" episode "The Molten Monsters of Moltar" (wherein the Herculoids made a brief guest appearance) and in the series proper in the "Time Creatures" episode.
Split into simpler sentences: The name "Amzot" was first mentioned in the "Space Ghost" episode "The Molten Monsters of Moltar" (wherein the Herculoids made a brief guest appearance). The Amzot name was first mentioned in the series proper in the "Time Creatures" episode.