Grandma's dog, Mossy, isn't feeling very well. Tim suggests they bake some doggy biscuits to cheer her up, but it is vet Topsy who discovers what is wrong.Source: CBeebies
Series 3: 8. New Glasses
Series 3: 7. Two Dogs
Series 3: 6. Tony's Friend
Series 1 - Finders Seekers
Live-action children's show. Topsy and Tim play hide and seek with their friends, but Rai gets stuck in the bathroom!
Series 1 - Big Box
Live-action children's show. 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.
Series 1 - Pet Sitters
Live-action children's show. Topsy and Tim pet-sit their friend Kerry's guinea pigs, Poppy and Bailey, but the animals escape from their run!
Series 1 - Bad Smell
Live-action children's show. An estate agent is coming to sell Topsy and Tim's house but there's a bad smell coming from somewhere!
Series 3: 5. Eye Test
Series 3: 4. Coming Home
Series 3: 3. Getting Better
Series 1 - Chicken Pox
Live-action children's show. Topsy feels hot and has an itchy head, so Dominique calls the doctor who confirms she has chicken pox.
Series 2 - Remember This
Live-action children's show. Topsy wakes up very early on the morning of the twins' first day at school because she is so excited.
Topsy And Tim's Christmas Eve
Series 1 - Dinosaur Egg
Live-action children's show. Tim makes a nest for an egg and puts it in the airing cupboard in the hope that it will hatch into a baby dinosaur.
Series 2 - Birthday Party
Live-action children's show. It's Topsy and Tim's fifth birthday! Mummy and Dad buy the twins the best present ever, and all of their friends come to their party.
Series 1: 2. Strange Beds
Series 2 - New Pet
Live-action children's show. Topsy and Tim love caring for their new pet rabbit but struggle to agree on his name - until they notice his wiggly nose!
Series 1 - Lost Keys
Live-action children's show. Grandma and Mossy the dog visit Topsy and Tim but when it's time to take them home, Dad cannot find his house keys anywhere.
Series 1 - Baby Jack
Live-action children's show. Tony Welch and his mum, Elaine, visit Topsy and Tim with Tony's new baby brother Jack.