Sarah Greene and Simon Groom in Blue Peter (1958)

Sarah Greene and Mike Ellis in Blue Peter (1958)

Konnie Huq, Christopher Trace, Emily Burnett, Lewis G. Hamilton, and Annabelle Davis in Blue Peter (1958)

Christopher Trace and Leila Williams in Blue Peter (1958)

Peter Duncan and Roger Bunnage in Blue Peter (1958)

Sarah Greene and Kenneth Williams in Blue Peter (1958)

Richard Bacon, Katy Hill, and Konnie Huq in Blue Peter (1958)

Blue Peter at 'The Three Musketeers' Premiere

Radzi Chinyanganya and Ajay Tegala in Blue Peter (1958)

Mwaka Mudenda, Lindsey Russell, Adam Beales, and Richie Driss in Blue Peter (1958)

Mwaka Mudenda, Adam Beales, and Richie Driss in Blue Peter (1958)

Valerie Singleton and Christopher Trace at an event for Blue Peter (1958)

Lesley Judd, John Noakes, and Peter Purves in Blue Peter (1958)

Carrie Fisher, Mark Hamill, and Sarah Greene in Blue Peter (1958)

Carrie Fisher, Mark Hamill, Peter Duncan, Sarah Greene, Simon Groom, and Goldie in Blue Peter (1958)

Mark Curry, Janet Ellis, and Caron Keating in Blue Peter (1958)

Peter Duncan, Janet Ellis, and Simon Groom in Blue Peter (1958)

Janet Ellis, Morten Harket, and Caron Keating in Blue Peter (1958)

Biddy Baxter, Mark Curry, Yvette Fielding, and Caron Keating in Blue Peter (1958)

Janet Ellis, Devin Stanfield, Patrick Troughton, and Simon Barry in Blue Peter (1958)

John Noakes, Peter Purves, and Valerie Singleton in Blue Peter (1958)

Janet Ellis and Kenneth Williams in Blue Peter (1958)

Lesley Judd, John Noakes, Peter Purves, and Valerie Singleton in Blue Peter (1958)