Bean, Elfo and Luci become trapped in an underground world full of eerie little creatures — and Queen Dagmar. Zøg tries to thwart a plot against him.
As Zøg attempts to escape a harrowing situation, Derek discovers a book that implies his family is cursed. Bean hatches a plan to escape from Trøgtown.
Zøg's acting strange, and Bean investigates to learn why. Meanwhile, a despondent Derek finds some surprising mentors in the Enchanted Forest.
After traveling to Steamland, Elfo enthralls the denizens of an upscale explorers' club while Bean infiltrates a factory in search of the Arch Druidess.
Bean flees when she discovers more about Alva's intentions — and as his lightbulb-headed robots chase her through Steamland, she searches for Elfo.
On their return trip to Dreamland via steamboat, lovelorn Elfo winds up in an unusual relationship while Bean gets close to Mora the mermaid.
Bean overhears Odval and the council plotting against Zøg, so she joins forces with Oona to undermine their plan while Elfo and Luci raise an army.
After trying to help Prince Merkimer lift the curse that turned him into a pig, Bean asks his parents for resources to thwart the threat from Steamland.
As a mysterious cloud of green smoke moves toward Dreamland and Zøg becomes more unstable than ever, Bean finds a unique way to communicate with him.