Ep 5. All in a Day's Work / Interchange Intrigue

Mona and her pals have their hands full when Neptune, the god of the seas, discovers the long lost missing continent of Atlantis right under their town and wants to restore it to its former glory. / The unseasonable early appearance of shadflies from the swamp behind Mr. McCaughllin?s house arouses Mona?s suspicion and leads to a full fledged effort to stop an inter-terrestrial invasion.