Arlo and the other giants harvest magic beans and other vegetation in their home, the Beanstalk. However, their peaceful and secluded lifestyle is crushed when Anton unwittingly lures an army of humans led by Prince James and Jacqueline to their home. The clan of giants are swiftly slaughtered by the poisoned blades of the human army, including Arlo, who gives their last magic bean to Anton.
- Arlo and the other giants are based on the Giant from Jack and the Beanstalk.
- S2, E13: "Tiny" (flashback)