Episode 4
Erin is so excited that teenage Katya 'a child of Chernobyl' is coming to stay, but Katya is not exactly grateful to be in Derry. And there's developments in Granda Joe's love life.

Cast
Saoirse-Monica JacksonErin Quinn
Louisa HarlandOrla McCool
Nicola CoughlanClare Devlin
Jamie Lee O'DonnellMichelle Mallon
Dylan LlewellynJames Maguire
Tara Lynne O'NeillMa Mary Quinn
Tommy TiernanDa Gerry Quinn
Kathy Kiera ClarkeAunt Sarah
Ian McElhinneyGranda Joe
Siobhán McSweeneySister MichaelDerry Girls on tvt

