The Little History this week finds two builders struggling to put together a crannóg.
The pair are totally perpelexed by the idea of building a house on water, and while they figure it out, they talk about the invasion of the Celts.
In the second part of the programme legendary hero Setanta finds himself in big trouble when he tries playing hurling with a guard dog.
A classic tale from Irish folklore, the young man who would become Cú Chulainn earns the name, which means the hound of Cullain in the least glamorous of circumstances.
TRTÉ Radio, Monday 25 November at 7pm