Donna Edwards and Dyfan Rees take on fellow actors Sera Cracroft and Sophie Mensah in an edition celebrating 50 years of Welsh language drama Pobol y Cwm, with help from experts Izzie Balmer and Kate Bliss. Danny Sebastian hosts, and also meets Steve Marshall, who has spent 40 years building a collection of memorabilia from EastEnders, Emmerdale, Coronation Street and other long-running dramas