Episode 5

The story of Wales through the decades, as seen on the small screen and featuring the pop music of the day. In this edition, families queue for candles as an electricity workers' strike turns off the lights in 1972. Meanwhile, Wales' first hypermarket opens in Caerphilly. Plus, in the 1990s, the hunt is on for the beast of Bala, and a Bridgend man learns the Star Trek language Klingon.