Spy creatures reveal an ocean full of startling ways of thinking, including the largest brain, smart octopi, diving monkeys, creative masterminds and other intriguing intelligence. Show more

Wynne Evans delves into the BBC Wales archives of 1980 to share some nostalgia, including the Green Cross Code Man, a night out with Terry Griffiths and a boy who can bend forks. Show more

Wynne Evans and his dog Ginny delve into the BBC Wales archives of 1981, including Ruth Madoc on the Russell Harty show, Shakin' Stevens and the Welsh Evel Knievel. Show more

Wynne Evans and his dog Ginny delve into the BBC Wales archives of 1982, including the Pope's visit to Cardiff, the beginning of S4C and the new 20p piece. Show more

Wynne Evans and his dog Ginny delve into the BBC Wales archives of 1983, including the Japanese researchers who came to find out about the haunted house on Kenfig Hill. Show more

Wynne Evans and his dog Ginny explore the BBC Wales archives of 1984, including the story of only male babies being born in the first three months of the year in north Wales. Show more

Wynne Evans and his dog Ginny delve into the BBC Wales archives of 1985, including the miners heading back to work after a year-long strike. Show more

Wynne Evans and his dog Ginny delve into the BBC Wales archives of 1986, including Bob Dylan, guide dogs being trained in Wales and the mongrel taken to court. Show more

Wynne Evans and his dog Ginny delve into the BBC Wales archives of 1987, including when Russell Grant learnt Wenglish, a couple who rescued bats, and Rob Brydon's new quiz show. Show more

Wynne Evans and his dog Ginny delve into the BBC Wales archives of 1988, including the question of whether you should blow-dry your chicken and the choir arrested for singing. Show more

Wynne Evans and his dog Ginny delve into the BBC Wales archives of 1989, including 80-year-old Marjorie going back to school and Mary Quant launching her latest swimwear. Show more