Lavender Castle Episode 11 Swamp Fever Episode Title:Swamp Fever.Episode Description:Captain Thrice contacts Galactic Fever and without treatment, he could die within five days. The cure is an extract from the leaves of the Wumbo plant, found only in the Great Swamp on the planet Quagmire. But the Wumbo plants are fiercely guarded by the Danks, who want them all for themselves.