Blue Peter 1959-1965 Episode 41 Episode 41 ( Air Date 1959-07-30 ) Genre Family category. Overview "A weekly programme for younger viewers. Introduced by Leila Williams. What the Brownies Do: 6. The last in the series with Jean Francis. Packi in "Holiday at Home": Part 1, drawn and told by Tony Hart. Making Monsters with Willoughby Gray.".