The wildlife cameraman and presenter, Gordon Buchanan, joins Aasmah Mir and Richard Coles.
He's spent his life getting close to wild animals - following black bears in Minnesota, travelling to the remote Canadian Arctic to film wolves and coming face to face with a 1000 lb polar bear!
Saturday Live listener, Chrissi Kelly, talks about Anosmia: the impact losing her smell has had on her life, the smells that she misses most and how she spends her Saturdays 'smell training'.
JP Devlin hears stories from members of the public at Chapelfield Shopping Centre in Norwich.
Noel Fitzpatrick is Professor of Orthopaedics and "The Supervet". He describes how growing up on a farm and being unable to save a lamb led to him becoming a vet, how he uses the latest technology to pioneer techniques to save or improve the lives of pets, and some of his handiwork, including building new paws for a cat called Oscar who had an unfortunate encounter with a combine harvester.
The actor, Rafe Spall, shares his Inheritance Tracks - Cherry Coloured Funk by the Cocteau Twins & And So Is Love by Kate Bush.
And Jerry Grayson talks about his life as the youngest helicopter pilot to serve in the Royal Navy's Search and Rescue force, and working flying in aerial action scenes for films such as Black Hawk Down and the James Bond movie A View to a Kill.
Gordon Buchanan is appearing at the Royal Geographic Society on 17 March.
The Supervet is on Channel 4 on Thursdays at 8pm.
X + Y starring Rafe Spall is in cinemas now.
Rescue Pilot - Cheating the Sea, by Jerry Grayson, is published by Bloomsbury.
Producer: Louise Corley
Editor: Karen Dalziel. Show less