As William Jones digs in the garden of his council house he finds a strange looking stone head. During the night his wife has horrible dreams, forcing William to move the head out of the house. In turn, he takes the head to an archaeologist at Bangor University who is an expert on Celtic artefacts and trying to dig up the remains of the Celts elsewhere. In order to try and understand the head, he goes home with her but things start to go wrong at night there as well, bringing the horrors of a half-human half-animal creature to the housewives. One by one the archaeologist's family is horrified leading to death and another sacrifice to the ancient gods of the Celts.

A poignant drama set in both the Wales and Northern Ireland of 1990. Loosely based on the story of the Second Branch of the Mabinogi, one of the Welsh myths.

Based on the Dream of Macsen Wledig.

A biopic of the last Prince of Wales.

Based on the novel of the same name by William David Owen.

A 1990 animated film in the adventure and fantasy genre, produced for S4C by a collaboration between S4C and Soyuzmultfilm. The film's plot unfolds in a magical world where a young king's son, Culhwch, sets out in search of the stolen fairy Olwen. The girl has been kidnapped by a sinister giant in black robes, and Culhwch must overcome numerous obstacles to rescue her. His journey is incredibly dangerous, as he encounters magical creatures and enchanted objects along the way. Gradually, the hero realises that not only physical strength but also kindness of heart, forgiveness, and intelligence can help overcome difficulties. Two versions were released, with notable differences (production and voice actors, line changes/insertions) between the two.