Adventurous Topsy and playful Tim share a special twin bond, that shines through as they go on everyday adventures.
A hole in the roof means rain is leaking in through the ceiling of Topsy and Tim's room.
Topsy and Tim can't sleep in the bunk beds because their bedroom is being redecorated.
When Topsy and Tim's friends come to play, things don't quite go to plan at first.
Topsy and Tim are growing out of their old clothes, so Mummy buys them new jeans.
Grandma and Mossy the dog visit Topsy and Tim.
Topsy and Tim look after Grandma's dog Mossy, with the help of Tim's best friend.
Tim makes a marble run with the help of his friend Tony Welch.
Topsy and Tim enjoy a morning of fun and games with Dad.
An estate agent is coming to sell the house, but there's a bad smell somewhere!
Topsy and Tim pet-sit their friend Kerry's guinea pigs Poppy and Bailey.
Jamie the postman is delivering a big box to Topsy and Tim's neighbour Mr Fishwick.
Topsy and Tim play hide-and-seek with their friends, but Rai gets stuck in the bathroom!
Mr Rosen visits Topsy and Tim and shows them how to make a house from a cardboard box.
Topsy and Tim enjoy making life-sized cardboard cut-outs of themselves.
Mummy and Dad are going out, and the twins are being looked after by their new babysitter.
Tim makes a nest for an egg in the hope that it will hatch into a baby dinosaur.
Topsy and Tim find out they have nits and can't go to school.
A couple have come to look around the house in the hope of buying it.
Mummy has hurt her arm and missed Topsy and Tim's nursery school play.
Mummy asks Topsy and Tim to sort their old toys before they move house.
On their way home from nursery school, Topsy and Tim collect lots of sticks.
When a minibus breaks down outside the house, Tim gets a chance to play a ukulele.
The supermarket delivery brings Vinda's birthday card and present but no wrapping paper.
It's the day of Vinda's knights and princesses party and Topsy and Tim dress up.
Topsy feels unwell. A call to the doctor confirms she has chicken pox.
Mummy gives Topsy and Tim some sunflower seeds to grow in their garden.
Tony Welch and his mum Elaine visit Topsy and Tim with Tony's new baby brother Jack.
It's the night before Topsy and Tim move house. The twins are too excited to sleep.
It's moving day. Topsy and Tim say goodbye to their old house and friends.
Topsy and Tim remember some of the wonderful, fun times they have shared in the house.