Funnyman Tommy Tiernan returns for the fourth series of his chat show, which sees him interview guests without any preparation or knowledge regarding who they might be.Tommy's guests this week were Hozier, Mark Smith, Aisling Byrne and Paddy Holohan. The music was by Lankum featuring Alex Borwick, John Dermody & Rachel Hines.

Guests are Brendan O'Carroll, Elizabeth Oakes, and Donna Zuma. Music from Mango and Mathman with special guest Lisa hannigan.

Tommy meets John Bishop, Sinéad O'Connor and Marty Morrissey and Lyra performs her song 'Mother'.

Tommy welcomes President of Ireland, Michael D. Higgins, archivist Catriona Crowe, boxer Michael Conlan and Rhiannon Giddens and Francesco Turrisi perform 'Wayfaring Stranger'.

Tommy welcomes Pádraig Harrington, Kate McGrew, Roddy Doyle and Iarla Ó Lionáird & Steve Cooney perform.

Tommy welcomes Katie and Ted Walsh, Carol Rice, Sr. Una Boland and The Mary Wallopers perform.

In the final episode of another great season, Tommy Tiernan interviews Colm Meaney, Mark Boyle and Róisín Murphy.