John meets singer/songwriter John Spillane to talk about our love of place in song and even manages to knock a few tunes out of him! John heads down into the bowels of the Cave of the Cats in Roscommon in search of the origin of Halloween! And he takes an early morning hot air balloon ride with travel writer Manchán Magan to get perspective on where our place names originated from. He also cracks the code behind place names in Co. Dublin, Co. Meath, Co. Wicklow, Co. Westmeath and Co. Galway.

John heads to Spancilhill in Co Clare to meet his friend - comedian Jon Kenny - and finds out the story behind the name while attending the famous Horse Fair. Last in the series.