Goof: In one shot when one of Skullus' robots disappears when Ookla is handling it, his horse's tail is colored white instead of yellow like the rest of its body.
Goofs: Two of the desert people who have Ariel tied up and taking her to a death trap with Jeel are initially seen wearing gray-colored outfits. But in the next shot, the outfits are mostly shades of brown. Afterward, when Thundarr frees the women, they all climb back to the surface via old elevator cables. Six of the desert people climb after them, with two in gray-colored outfits. When Thundarr cuts the cables to stop their pursuit, four (all in brown-colored outfits) fall down. When they splash in the water, it's five of them who are all in brown-colored outfits.
(When some of Skullus' warriors vanish during the first battle)
Ariel: Thundarr, these monsters aren't alive. They're not even machines. They're creatures of pure magic!
Skullus: Precisely, witch. Skullus has many means to destroy you.
Ariel: I resent that. I'm a sorceress, not a witch!
Ariel: This is an awfully big desert, Thundarr. We may never find Skullus.
Thundarr: He spoke of a battle at dawn. Who is he fighting, Jeel?
Jeel: Another wizard, called Octagon. He and Skullus are lifelong enemies.
Ariel: I've heard of Octagon. He's powerful and ruthless. Your people will never survive.
Thundarr: Let the wizards fight until they're old and toothless. But humans shall not be their pawns. RIDE!!!
This is the first episode of the second season.
This episode is set in the ruins of St. Louis, Missouri, which was apparently buried in the cataclysm that destroyed Old Earth. Since then, the region had turned into a desert.
Post-apocalyptic species: Desert people. Diminutive residents of the Desert of Demons who mainly live underground in the dark areas of old city ruins. They hate above surface dwellers, are servants to Skullus and are capable of trapping and disposing intruders despite their small size.