2. Death

What happens when we die? In today's lesson, Duck learns that he is in fact Dead, because he forgot to drink water. Red Guy and Yellow Guy are a bit confused by this - there are usually three of them.

3. Family

What is a Family? When Red Guy, Yellow Guy and Duck meet adorable twins who point out that they shouldn't be living together because they're not related, the guys begin to question their relationship.

4. Friendship

The gang are excited to get online using their computer but, oh no! Yellow Guy has lost the password. Luckily a confident worm called Warren steps in and shows the guys the true meaning of Friendship.

5. Transport

Where do things go when they're not where they should be? A leaky old Train teaches Red Guy, Yellow Guy and Duck about Transport. Red likes the idea of going on a journey, but it's not that simple...

6. Electricity

Did you know that everything that has wires is part of the electric family? The guys meet Electracey the Meter and look at all the things in their house to see which have wires. It turns out loads do!