Harrison's little sister decided to improve Harrison's show by mixing up all the clips and adding sparkly dancing unicorns.
Dick and Dom reveal the genius of Al Jazari, an ancient engineer who built mind-blowing machines that were designed to entertain and impress everyone who saw them. Influenced by Al Jazari's genius ideas, Dick and Dom come up with their own genius idea, when they build their own Al Jazari inspired robot.
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.
Harrison invites animal experts who bring over a live kangaroo, skunk, marten and snapping turtle. Turns out, different animals use their tails for different purposes.
We've got a high-flying, adrenaline pumping Totally Wild for you today, 'cos we're hanging with some skydivers. What a rush! Plus, we're checking out some frogs that can survive being frozen.
Qasim and Haroon are in at the deep end as they clean out stinky hedgehog homes and release a deer in a secret wood.
Cows are milked, goats are milked, but did you know spiders can be as well?! On today's show we're meeting a tarantula expert to find out how and why.
An episode featuring all your favourite songs from the series. Sing along about his burnt cakes with King Alfred, or Henry VIII's love of reformation!
When you face a challenge, or are in need of help, there are always SUPPORT CREWS who have your back! We're getting rescued by a fire service and checking out a family of monster trucks.
Explosions, atoms and fiendish forces that bubble, bag and bump. What makes things explode?
HHTV News reports live from the Battle of Thermopylae and we learn the revolting truth about Roman toilets.
Nigel and Michelle help Ella use her out-of-date phone directories to make a Pop Up Picture, taking inspiration from an artist who uses old books to make magical miniature scenes. Find out how to make Fake Poo to prank your friends, a Monster Doorstop out of an old towel, and Crisp Packet Badges. We check in with the 'Totally Famous' Banksy and we check out how to make a city rise from the rubbish!
This week BtN is taking a special look at some of the issues that come with kids using social media; we look at one country that's managed to eradicate ebola; an international day for toilets; we find out how to become an astronaut and a new program to help young people who have moved to Australia.
Queen Victoria learns her British comforts aren't very British; a Viking warrior won't stop talking in rhyme; and the contestants try to become executioners on The Axe Factor.
Today we're taking flight to get you closer than ever before to birds! We're off to New Caledonia to check out a bird only found on the island, plus getting the goss on those well-adapted to water.
Some animals have pretty bad reputations so we decided to get to the bottom of them! Emma's getting the goss on gross cockroaches and Alex is finding out if ibis' deserve their bad name.
Aunt Vera would like her electric portrait fixing, it has a broken circuit. Vlad is reluctant for Dave to fix it as he thinks that the painting is horrible. Dave shows Vlad how an electric circuit works.
There are some pretty cool jobs out there and we are hanging out with some experts who show us how to do theirs. Nat's meeting people getting to work with chocolate all day long plus much more!