A hole in the roof means rain water is leaking in through the ceiling of Topsy and Tim's bedroom, making Topsy's top bunk and Little Moon Bunny wet. Tim helps Dad mend the leak with some help from Kerry's dad, Carson.

Topsy and Tim can't sleep in the bunk beds as usual because their bedroom is being redecorated by DIY Derek. The twins look for somewhere else to sleep until Dad tells them they're going on a special camping adventure.

When Topsy and Tim's friends Tony Welch and Vinda come to play, things don't quite go to plan at first but by the time their mums come to pick them up, the friends are having so much fun they don't want to go home.

Topsy and Tim are growing out of their old, matching twin clothes, so Mummy buys them new jeans. Topsy is delighted with her new jeans - they have butterfly designs all over them. Tim's new jeans have a cool dinosaur print but Tim is not sure he is ready to wear bigger clothes yet, especially ones which are completely different to his twin's.

Grandma and Mossy the dog have visited Topsy and Tim but when it's time to take them home for Mossy's tea, Dad simply cannot find his house keys anywhere.

Topsy and Tim look after Grandma's dog Mossy, with the help of Tim's best friend Tony Welch. When Mossy starts being a bit naughty, they realise it's time for her walk. By the time they've got Mossy's lead, ball and poo bags, Tim worries that she might not get to her favourite bush in time to do her business!

Tim makes a marble run with the help of his friend Tony Welch. When Topsy's friend Vinda admires the boys' work, Topsy suggests the girls make a marble run of their own, using the contents of the recycling box. The girls' marble run looks impressive, but Tim thinks he knows how they can all work together to make the best marble run ever.

Topsy and Tim enjoy a morning of fun and games with Dad but grow impatient when they watch him clean the car on his own. It looks so much fun! They are desperate to help, but Dad has promised Mummy that the twins won't get messy. When Dad finally finds a way that they can join in, the twins enjoy the best car wash ever!

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Topsy and Tim pet-sit their friend Kerry's guinea pigs Poppy and Bailey. When the animals escape from their run, the twins search for them everywhere. Just when they're about to give up hope of finding the pets, Tim thinks of the ideal person to help with their search.

Jamie the postman is delivering a big box to Topsy and Tim's neighbour Mr Fishwick. Mr Fishwick is out so the twins look after the box until he returns. When he comes to pick it up, they can't wait to find out what's inside the big box.

Topsy and Tim play hide-and-seek with their friends. Rai wins the game by hiding in the bathroom but when it's time to come out, the door is stuck! Topsy, Tim, Tony and Kerry try to find a way to get Rai out of the bathroom.

Mr Rosen visits Topsy and Tim and shows them how to make a house from a giant cardboard box. After Mr Rosen leaves to do some shopping, Topsy and Tim discover he's left his wheely bag behind. The twins must get the bag back to Mr Rosen so he can carry his shopping.

Topsy and Tim enjoy making life-sized cardboard cut-outs of themselves but when milk is accidentally spilled over Tim's cardboard twin, he gets upset. To make matters worse, the twins find out that Mummy is going to give away their bunk bed when they move house.

Mummy and Dad are going out for dinner, and the twins are being looked after by their new babysitter, Danielle. Topsy wants to stay awake until Mummy and Dad come home, but Tim is keen to go to bed - it's his first time sleeping on the top bunk.

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Topsy comes down with chicken pox.