S4C HD Wednesday

The Colourblocks discover a series of Colour Wheels. But where do they sit on them?

Adventures with Thomas the Tank Engine and friends

A journey around the world to meet some of its amazing animals

Children's fun with the Beatrix Potter characters

Grandad tells a story set during the First World War, with Gwen and Tomi's mothers planning a surprise picnic for the children, hoping for fine weather

Cartoon about a little owl called Odo and his woodland friends

Cartoon series about an autistic boy who overcomes situations that challenge him with the help of his imaginary friends

The adventures of Tref the dog, Elin and Berian as they look after all sorts of animals, with the help of their young friends.

Animation for pre-school children that makes them think about their own and others' behaviour

Fun for children

Lea Fon has a superhero party with Siwpyrtaid from Cacamwnci

Animated action adventure following a squad of six heroic puppies and their tech-savvy 10-year-old leader as they protect the community of Adventure Bay

Series documenting special events in children's lives

An energetic song that will help children learn about parts of their body

Children's programme

Bendant is about to land in your school! A comedy, art and singing series, where Aeron Pugh as the character of Bendant joins children's classes all over Wales

Animation based on The Wind in the Willows stories

Series about mischievous twins who have secret super powers

Cartoon about a little owl called Odo and his woodland friends

Cartoon series about an autistic boy who overcomes situations that challenge him with the help of his imaginary friends

The friends are celebrate Saint Dwynwen's Day. Twm is delivering everyone's cards, but will he finish his deliveries in time for a big Saint Dwynwen's Day game?

A programme about animals with Tref the dog and his friend Elin Haf. Here, some cute kittens and Delor and her donkeys are featured

Black joins the Printing Crew, as it is revealed how yellow, cyan, magenta and black work together in printing

The sea turtle and the milkweed butterfly

The theme of this episode is wind

After Jason invents an Anti-Gravity Ray, Jet-boy is determined to make this his personal tool

An action-packed outdoor adventure series

Lara Catrin and professional organiser Gwenan Rosser set out to sort out, declutter and transform bedrooms and wardrobes all over Wales, beginning in Pen Llyn

Nightly magazine with stories from all over Wales and special guests

Dewi Prysor investigates the boundary between religion and magic and tries to find out whether cunning folk still exist in parts of the country

The Rally Italia Sardegna. Action from the sixth round of the World Rally Championship, held on the island of Sardinia. With Emyr Penlan, Osian Pryce and Rhys ap William

Magazine series including features on fashion, style, antiques and cookery

Sean Fletcher explores the history of the Welsh language and how it evolved from Brythonic 1,500 years ago. Including a special interview with footballer Ben Davies

Cartoon about a little owl called Odo and his woodland friends

A journey around the world to meet some of its amazing animals

Animation based on The Wind in the Willows stories

Stories set in several periods of history - the Celts, the Tudor Period, Victorian Era and World War One

The adventures of the mischievous Donioli brothers, Luigi and Louie, and their young niece, Liwsi

A volcano is about to erupt and Dyffryn Moomin and all its inhabitants are in danger. Moomintrol is drawn into a dangerous quest with Snuffy

A team of friends creates a leavers' party for their school

A round-up of news for a younger audience

Bedwyr Rees journeys from the River Dwyryd to the River Mawddach, exploring the sand dunes of Morfa Dyffryn and discovering the secrets behind the place names of Barmouth

Elliot discovers who has been stealing things from Arthur's van. The mystery of why Elliw has to sleep in the Iard shop deepens. Philip and Lowri faces their worst fears

Nightly magazine programme, with stories from all over Wales and special guests

It's the day of the APD interviews and Anita starts to realise that the new worker is coming in to replace her. Mathew finds it hard to focus after receiving news about his family

As the gang recover from finding the body, the police question the teenagers about their possible involvement in the incident

Marian Evans and Professor Dylan Jones Evans get to know the competitors better on the shores of Llansteffan, and the competitors' tasting skills will be tested to the limit

A man comes across a few artefacts in his late mother's house in Haverfordwest - Royal Staffordshire dishes, Welsh blankets and a gift from fashion designer Zandra Rhodes

London lad Ryan-Mark Parsons immerses himself within the true reality of Wales, spending two days in the Principality

Lalloo can see the man in the moon smiling at her, before embarking on a space adventure

Conyn is carrying a mysterious box up a high hill. Digbi persuades him to let him and Cochyn go too

Hari asks his Grandpa why the sky is blue. Grandfather tells a sorry about King Duly who was bored with a pink sky and how a boy called Alfred helped him change his colour

A flock of geese lands in the harbour

Comedy show for pre-school children, full of sketches, jokes, fun, monkey nonsense and comedy characters