Wander Over Yonder

Wander Over Yonder is an American animated television series that aired on Disney Channel and Disney XD. Created by Craig McCracken, it follows the adventures of the optimistic Wander, who rides across the galaxy to help the inhabitants of various planets live freely, against the intentions of Lord Hater to rule the universe. One episode, called The Fremengency Fronfact, features Lord Hater getting scared of the dentist after receiving ugly cavities on his teeth.