Billy Dilley's Super-Duper Subterranean Summer

Season 1

TV-Y7

The show follows the adventures of Billy Dilley, a 12 year old 7th grader who loves science, and his lab partners, Zeke and Marsha, who on summer vacation find themselves trapped in a strange world located in the Earth's core.

Where to Watch Season 1

25 Episodes

Lab Friends... Forever?
E1
Lab Friends... Forever?When Billy Dilley's science fair project the Cheeserator gets struck by lightning and goes haywire, Billy, his lab partners Zeke and Marsha, and his pet rat Anaximander, find themselves stuck in a strange underground land called Subterranea-Tania.
Surviving Billy
E2
Surviving BillyOn their second day in Subterranea-Tania, Billy, Zeke, and Marsha find their way back to the Cheeserator after getting kidnapped by a vicious Pterosaur. After getting back to the Cheeserator, the trio builds a house made out of extra parts for safety.
Calzones
E3
CalzonesZeke, the King of Calzones, must defend his title when a rival chef enters the picture.
Crab Hands
E4
Crab HandsBilly invents the grafting machine and adds creature parts to his body.
The Date
E5
The DateBilly and Zeke help Marsha find romance, but an unexpected guest could ruin everything.
The Troggies Next Door
E6
The Troggies Next DoorBilly and Zeke have an epic sports showdown with the neighbouring Troggies.
The Mushroom Prince
E7
The Mushroom PrinceBilly repeatedly tries to steal Marsha's diary. Billy is excited to meet Count Wretcher, an eccentric neighbour and fellow inventor.
Count Wretcher
E8
Count WretcherBilly strikes up a friendship with the sludge-obsessed Count Wretcher, who offers to help fix the Cheeserator for his own nefarious plans.
Hey Judy
E9
Hey JudyBilly meets a new friend and a new romantic interest on the same day and is forced to choose between the two.
Welcome to the Hag House
E10
Welcome to the Hag HouseWhen Billy becomes the new apprentice to Subterranea-Tania's resident sorceress Hag Witch, the two concoct a love potion to try on Count Wretcher.
Beastie Billy
E11
Beastie BillyBilly takes extreme measures when Marsha convinces him he has brought a curse upon himself.
Zartran
E12
ZartranBilly invites a heroic warrior named Zartran to stay at his house.
"K" is for Klutz
E13
"K" is for KlutzBilly and Zeke try to figure out Marsha's unexplained bout of klutziness.
Tommy X
E14
Tommy XZeke is blown away when he meets his favorite extreme sports hero, Tommy X.
Billy/Willie
E15
Billy/WillieZartran convinces Billy to pretend to be the nephew of an old lady to scam her out of her secret treasure.
The Telltale Wart
E16
The Telltale WartBilly is jealous of his new friend's wart.
Ol' MacBilly
E17
Ol' MacBillyTeased 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.
Silly Spheres
E18
Silly SpheresBilly, Tony and Yucky guard Hag Witch's house while she's out, but they can't resist breaking into her spells cabinet.
Wretcherous Treachery
E19
Wretcherous TreacheryTired of being castle-bound by his domineering mother, Count Wretcher breaks loose and tries to convince Billy and friends to continue fixing the Cheeserator.
Jared
E20
JaredBilly grows jealous when Zeke and Marsha befriend a strange creature called Jared, who eventually turns out to be a hideous flesh-eater who suffered from amnesia.
Sluggy
E21
SluggyFeeling ignored by Anaximander, Billy decides to take in a new pet, a slug called Sluggy.
Double Bubble
E22
Double BubbleWhen Zeke starts avoiding his chores by throwing his trash on the roof, he and Billy end up dealing with a large-scale garbage problem on their hands.
The Glorp of the Gorks
E23
The Glorp of the GorksWhen the Gorks' sacred slime is tampered with, Billy is enlisted to help find the culprit.
Rat's Entertainment!
E24
Rat's Entertainment!When Anaximander starts molting his fur, the people of Subterranea-Tania decide to put on a show to make him feel better.
The Battle for Subterranea-Tania
E25
The Battle for Subterranea-TaniaAs Billy, Zeke and Marsha prepare to leave Subterranea-Tania by throwing a "farewell party", Billy accidentally causes a robot-alien invasion led by an evil clone of Billy. The people of Subterranea-Tania then turn against Billy and it's up to the trio to try to stop the invasion once and for all.