Unexpected Trouble

S1, E23: The Lightning League heads for the junk planet, Xeron III, to use the metal as a giant antenna to send radio signals throughout the universe in an attempt to contact Audric. An old woman, Iana, lives on the planet with an odd assortment of creatures who have been pushed out of their natural homes by civilization. Monster Minds follow Jayce to this planet. Iana, her metal eating leppet animals, who don't bother Jayce's vehicles or Oon because of a special spray Gillian invented, and the rest of her pets help Jayce defeat the Monster Minds and Gillian discovers Audric's location.