Tudur Owen and the architect Elinor Gray Williams take a closer look at Chirk Castle as they continue their visits to some of the National Trust's grand houses and castles in Wales.
Owain is shocked when he sees the video of Mathew slating Elen on Robbie's phone, and warns Robbie that he could be playing with fire.
Kath and her big mouth cause a stir as she accidentally tells Iolo of Tyler's new boyfriend.
All series now available as a box set
