Her adventures included an inverted spin in a jet, lawn mower racing, paragliding, walking a circus high-wire, cleaning windows at London's Canary Wharf tower.
[1] She won a bronze medal in the two-woman Bob at the British Bobsleigh championships, trained as a Childline councillor for the charities appeal and once held the Guinness World Record for putting on a duvet cover.
She interviewed top celebrities, including David Beckham, Quentin Blake and Elton John, whom she presented with a Gold Blue Peter badge in Las Vegas.
In 2003, Barker won the Children & Youth category in the CRE Race in the Media Awards for her film on Auschwitz for the Holocaust Memorial Day with survivor Kitty Hart-Moxon.
She became the first presenter to rejoin Blue Peter after having a baby, but on 23 January 2006 she told viewers that she would be leaving the programme at Easter and moving away from London so she could spend more time with her family.
On 11 April 2006 Barker left the programme with a special This Is Your Life-style show devoted to her, featuring former presenters, family, friends and people she had met along her Blue Peter travels, including Kitty Hart-Moxon.