Harrison's dentist explains why and how people lose their baby teeth.
Wally and his friends sing a song about the letters of the alphabet. They have a word for each letter - can you think of any other words that start with the same letters or sounds?
A revelation appears before Santa Claus when he enters Arthur's office.
Buddy and Santa rendezvous in Central Park.
Harrison explains why humans and animals have teeth and teethlike structures.
The Ghost of Christmas Future greets Mr Scrooge.
Fred and his uncle get into an argument about celebrating Christmas.
Harrison finds out how many teeth a shark has and how many they lose each year.
Harrison raps about garbage and why it stinks.
Buddy gets to prove that Santa is real to Michael and Walter.
Mister Maker takes a trip back in time to learn about Italian painter Giuseppe Arcimboldo, known for his imaginative portraiture that used different fish, meats, fruits and vegetables to represent the subject.
Mister Maker reveals stepbystep instructions for making a stingray out of a paper plate, stickers and a crayon in Scraps' surprise party popper.
Ted learns what day it is when Titch helps him count the days on the calendar.
Arthur initially manages to distract the lions before he and Grand Santa run to the sleigh.
When someone bruises their skin, a process that includes blood cells and protein form a new layer of skin. During this process several effects occur.
This clip from BtN is all about the Hindu festival of Holi, held near the start of the northern hemisphere's Spring.What are Hindu's celebrating during Holi? What are some of the traditions around the Holi festival?
Harrison learns that farts can power vehicles.
The Odd Squad must solve the number pattern to unlock the door. It is not a repeating pattern but a growing pattern. What is a growing pattern? Can you make a growing pattern using shapes? Can you make a growing pattern using numbers? Make a growing pattern and get a friend to continue the pattern.