Justin, Amy and Sebastian look for teeny tiny creatures that live in a park, whilst Mr Tumble goes fishing with Big Teddy.
Justin visits his friends at their playgroup and joins them having fun at the water table, sandpit and playing the parachute game. Meanwhile Mr Tumble is playing some games of his own with Grandad Tumble and Lord Tumble.
Justin has a very sporty day with his friends Tyrone, Claire and Sophie. Whilst Aunt Polly, Lord Tumble and Grandad Tumble show Mr Tumble how to do his exercises.
Justin and his friends Adam and Levi are visiting the Farne Islands by boat to see the seals. Mr Tumble is visiting his friend Fisherman Tumble and helping him get ready to go out on his fishing boat.
Justin has lots of fun dancing to a band at a music festival with his friend Jaya, while Grandad Tumble puts on a concert for Mr Tumble and the toys!
Justin has a day out in London with his friends Sabia, Mihad and Saqib. Meanwhile, Mr Tumble has lots of fun at home with his London Book.
Justin visits his friends at their school and has lots of fun with paint, while Mr Tumble paints a surprise for Grandad Tumble.
Justin visits his friend Josh and helps him look after his baby sister Olivia for the day, while Mr Tumble gets ready for a very special baby visitor of his own.
Justin has a great day at a village fete with Keiron and Nick. Whilst Mr Tumble holds his own Village Fete for the toys!
Justin and his friends Grace and Danny visit a zoo and help the zoo keepers at feeding time. Justin helps shower a mummy elephant called Karishma and her three-week-old baby called George. Meanwhile, Mr Tumble has a very special job - cleaning out Harry the Hamster's cage. But who is looking after Harry?
Justin and his friends perform The Hello Song to their friends. Meanwhile, Mr Tumble wants to be a pop star after watching his favourite singer Cliff Tumble on the TV.
Justin goes strawberry picking with his friends, Jessica and Mason. Mr Tumble is very hungry and goes looking for fruit in the garden.
Justin and his friends Grace, Julia and Kia are making a very special pudding called Mr Tumble Jumble. Mr Tumble is making something very special too - Grandad Tumbles lunch.
Justin and his friend Bobbi find out what it's like to have a sleepover. They unpack Bobbie's overnight bag, have a barbeque on the beach and finish up with a lovely drink of hot chocolate. Mr Tumble is having a sleepover of his own in his garden.
Justin spends the day with his friend Danny finding out what he does after school each day. Meanwhile Mr Tumble shows us what he does before he goes to bed.
Justin is attending a party with all his friends. There are games to play, party food to eat and music to dance to. Meanwhile, back at the Tumble house there's a party going on there too - a surprise party for Lord Tumble, but he doesn't know about it.
Justin and his friend Rithika spend the day shopping in Southall. Mr Tumble has asked them to look for a sari, some jewellery and some Indian sweets. Mr Tumble is doing his washing and needs to find some spare clothes to wear while they are drying, it's amazing what you find in Grandad Tumble's shed.
Justin and his friends Aaliyah, Jamie and Necip, go for lunch at a Cafe. Meanwhile, Mr Tumble opens his new Cafe and we are introduced to the all new Chef Tumble!
Justin joins Niamph, Dan and Ross in the Forest Of Dean to create some Forest Art. Meanwhile, Mr Tumble is in his forest looking for animals from inside his den!
Justin and his friends Ryan, Cameron and Delise are having a lovely day at the park. They try out the rides, get lost in the maze and have a dragon boat race on the lake! Mr Tumble is trying to find a boat of his own to go on a sea adventure, but who will help him find one?
It's Christmas and Mr Tumble, Lord Tumble and Grandad Tumble are decorating the Tumble house.