Rocks: Harrison wants to find out if he can really make gems from charcoal or gold from lead. A geologist guest shows him that other kinds of rocks are cool too, especially meteorites. (S3 Ep7)
Investigations: Someone took a bite out of Harrison's cheese sandwich! Who was this nefarious nabber? To find out, Harrison brings in a detective to collect fingerprints and DNA evidence. (S3 Ep6)
Pets: Harrison starts a pet-sitting service, but he's soon overwhelmed by work, especially when one of the pets turns out to be surprisingly wild. Fortunately, a zoo-owner helps him out. (S3 Ep5)
Poop: Hold on to your nose as Harrison decides to do a show about poop. He's visited by a paleontologist who brings million-year-old fossils of dinosaur poop. (S3 Ep3)
How Things Break: Harrison is on a quest to break a karate board with his bare hand, but first he'll need some expert help to understand the science behind why things break. (S3 Ep2)
Skin: Harrison investigates the stuff that holds us in - skin. With help from a special effects make-up artist, he finds out the science behind scabs and bruises. (S3 Ep1)
Best Of: Harrison's little sister decides to mix up all of his show clips - and adds sparkly dancing unicorns. Now Harrison has to put his clips back in order. (S3 Ep13)
Astronauts: Harrison wants to go to space, but first he'll have to learn how to float in zero gravity, sleep standing up, and figure out how a rocket works. (S3 Ep12)
Pets: Harrison starts a pet-sitting service, but he's soon overwhelmed by work, especially when one of the pets turns out to be surprisingly wild. Fortunately, a zoo-owner helps him out. (S3 Ep5)
Poop: Hold on to your nose as Harrison decides to do a show about poop. He's visited by a paleontologist who brings million-year-old fossils of dinosaur poop. (S3 Ep3)
How Things Break: Harrison is on a quest to break a karate board with his bare hand, but first he'll need some expert help to understand the science behind why things break. (S3 Ep2)
Skin: Harrison investigates the stuff that holds us in - skin. With help from a special effects make-up artist, he finds out the science behind scabs and bruises. (S3 Ep1)
Best Of: Harrison's little sister decides to mix up all of his show clips - and adds sparkly dancing unicorns. Now Harrison has to put his clips back in order. (S3 Ep13)
Astronauts: Harrison wants to go to space, but first he'll have to learn how to float in zero gravity, sleep standing up, and figure out how a rocket works. (S3 Ep12)
Reptiles: To find out where dragon legends could have come from, Harrison goes on a quest to find the biggest, dragon-iest reptiles in the world. (S3 Ep11)
Water: Harrison's water is shut off today because of a water main break, so he's extra interested in how water is formed, and how we can conserve it. (S3 Ep10)
Tails: Harrison's computer says that people do have tails. To find out more about tails, Harrison invites animal experts who bring over a live kangaroo, skunk, marten, and snapping turtle. (S3 Ep8)
Rocks: Harrison wants to find out if he can really make gems from charcoal or gold from lead. A geologist guest shows him that other kinds of rocks are cool too, especially meteorites. (S3 Ep7)
Investigations: Someone took a bite out of Harrison's cheese sandwich! Who was this nefarious nabber? To find out, Harrison brings in a detective to collect fingerprints and DNA evidence. (S3 Ep6)
Pets: Harrison starts a pet-sitting service, but he's soon overwhelmed by work, especially when one of the pets turns out to be surprisingly wild. Fortunately, a zoo-owner helps him out. (S3 Ep5)
Poop: Hold on to your nose as Harrison decides to do a show about poop. He's visited by a paleontologist who brings million-year-old fossils of dinosaur poop. (S3 Ep3)
How Things Break: Harrison is on a quest to break a karate board with his bare hand, but first he'll need some expert help to understand the science behind why things break. (S3 Ep2)
Skin: Harrison investigates the stuff that holds us in - skin. With help from a special effects make-up artist, he finds out the science behind scabs and bruises. (S3 Ep1)
Best Of: Harrison's little sister decides to mix up all of his show clips - and adds sparkly dancing unicorns. Now Harrison has to put his clips back in order. (S3 Ep13)
Astronauts: Harrison wants to go to space, but first he'll have to learn how to float in zero gravity, sleep standing up, and figure out how a rocket works. (S3 Ep12)
Water: Harrison's water is shut off today because of a water main break, so he's extra interested in how water is formed, and how we can conserve it. (S3 Ep10)
Tails: Harrison's computer says that people do have tails. To find out more about tails, Harrison invites animal experts who bring over a live kangaroo, skunk, marten, and snapping turtle. (S3 Ep8)
Rocks: Harrison wants to find out if he can really make gems from charcoal or gold from lead. A geologist guest shows him that other kinds of rocks are cool too, especially meteorites. (S3 Ep7)
Investigations: Someone took a bite out of Harrison's cheese sandwich! Who was this nefarious nabber? To find out, Harrison brings in a detective to collect fingerprints and DNA evidence. (S3 Ep6)
Pets: Harrison starts a pet-sitting service, but he's soon overwhelmed by work, especially when one of the pets turns out to be surprisingly wild. Fortunately, a zoo-owner helps him out. (S3 Ep5)
Poop: Hold on to your nose as Harrison decides to do a show about poop. He's visited by a paleontologist who brings million-year-old fossils of dinosaur poop. (S3 Ep3)
How Things Break: Harrison is on a quest to break a karate board with his bare hand, but first he'll need some expert help to understand the science behind why things break. (S3 Ep2)
Skin: Harrison investigates the stuff that holds us in - skin. With help from a special effects make-up artist, he finds out the science behind scabs and bruises. (S3 Ep1)
Best Of: Harrison's little sister decides to mix up all of his show clips - and adds sparkly dancing unicorns. Now Harrison has to put his clips back in order. (S3 Ep13)
Astronauts: Harrison wants to go to space, but first he'll have to learn how to float in zero gravity, sleep standing up, and figure out how a rocket works. (S3 Ep12)
Reptiles: To find out where dragon legends could have come from, Harrison goes on a quest to find the biggest, dragon-iest reptiles in the world. (S3 Ep11)
Water: Harrison's water is shut off today because of a water main break, so he's extra interested in how water is formed, and how we can conserve it. (S3 Ep10)
Tails: Harrison's computer says that people do have tails. To find out more about tails, Harrison invites animal experts who bring over a live kangaroo, skunk, marten, and snapping turtle. (S3 Ep8)
Rocks: Harrison wants to find out if he can really make gems from charcoal or gold from lead. A geologist guest shows him that other kinds of rocks are cool too, especially meteorites. (S3 Ep7)
Investigations: Someone took a bite out of Harrison's cheese sandwich! Who was this nefarious nabber? To find out, Harrison brings in a detective to collect fingerprints and DNA evidence. (S3 Ep6)
Pets: Harrison starts a pet-sitting service, but he's soon overwhelmed by work, especially when one of the pets turns out to be surprisingly wild. Fortunately, a zoo-owner helps him out. (S3 Ep5)
Poop: Hold on to your nose as Harrison decides to do a show about poop. He's visited by a paleontologist who brings million-year-old fossils of dinosaur poop. (S3 Ep3)