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Billy Dilley's Super-Duper Subterranean Summer

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Science-obsessed youngster Billy Dilley's summer break takes an unexpected turn when he and lab partners Zeke and Marsha get stuck in a bizarre world underneath Earth's surface.The trio's only way out is to repair Billy's science fair project, the Cheeserator. As the kids work together to get back to their own world, Billy's endless curiosity instigates wild adventures in the subterranean playground. For Billy, Zeke and Marsha, the most important scientific discovery they make while underground is friendship.

Latest episodes

aired 125 days ago
Marsha starts a newsletter about Subterranea-Tania and Billy desperately wants to know what she wrote about him; Billy strikes up a friendship with the sludge-obsessed Count Wretcher, who offers to fix the Cheeserator for his own nefarious plans.
aired 125 days ago
Marsha learns she has missed her date with her summer camp crush Greg Hastings; Zeke feels intimidated by a primitive tribe called the Troggies, who can do everything better than he does.
aired 125 days ago
Zeke, the King of Calzones, must defend his title; Billy invents a grafting machine.
aired 125 days ago
Billy's science project goes horribly wrong; Billy, Zeke and Marsha must find the Cheeserator.
aired 832 days ago
Billy throws a goodbye party for all his new friends, but things go awry when the celebration is interrupted by an alien invasion.
aired 832 days ago
Feeling ignored by Anaximander, Billy decides to take in a new pet -- a giant dog-like slug called Sluggy; Zeke and Billy deal with a large-scale garbage problem.
aired 832 days ago
When someone tampers with the Gorks' sacred slime, Billy gets enlisted to help find the culprit; when Anaximander starts molting his fur, the people of Subterranea-Tania decide to put on a show to make him feel better.
aired 832 days ago
Count Wretcher plans to travel to the Surface World and cover the Earth in sludge; when Billy's new friend Jared becomes fast friends with Zeke and Marsha, Billy gets jealous.
aired 832 days ago
Billy pretends to be the nephew of a old lady; Billy becomes jealous of his new friend's wart.
aired 832 days ago
Teased by a gang of lizard youths for his hair, Billy decides to save up for a wig by looking after Big Doug's prized mammoth; Billy, Tony and Yucky guard Hag Witch's house while she's out, but they can't resist breaking into her spells cabinet.
aired 832 days ago
Billy and Zeke try to figure out Marsha's klutziness; Zeke's sports hero, Tommy X, comes over.
aired 832 days ago
Marsha becomes convinced that Billy has been cursed after he takes a rock from a sacred patch for scientific analysis; a barbarian named Zartran moves in with Billy and his friends and entertains them with stories of heroic battle.
aired 832 days ago
A grass nymph called Judy falls head over heels for Billy, who is too busy dealing with a crush of his own; Billy becomes the new apprentice to Subterranea-Tania's resident sorceress, Hag Witch.

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