Mel Giedroyc meets Chris Hadfield, the astronaut who played Space Oddity in space.
Mel has a guide to blowing up buildings and a trip to the top of the world's tallest tree.
Mel Giedroyc replays the best of this week's 4 O'Clock Show.
Mel Giedroyc replays the best of the week, including a mosquito-catching competition.
Mel Giedroyc remembers a trip on a narrow boat and the feats of a real-life escapologist.
Mel picks her choice cuts from this week, including snail porridge and buried treasure.
For Edinburgh Zoo's centenary, Mel meets Dillon the Armadillo and feeds the Meerkats.
A trip into the mind of comedian Harry Hill and the weird world of the slow worm.
From the history of grandfather clocks to the story of the pips. BEEEEP.
Mel Giedroyc presents astronauts, dolphins and the author of 'The Tiger Who Came to Tea'.
Mel introduces a visit to Quentin Blake's art studio and a guide to Shakespearean snacks.
Mel introduces tigers in India, the life of the camel, and some delicious Chinese teas.
Mel Giedroyc has been to the Edinburgh International Book Festival and celebrated the USA.
Mel Giedroyc with a real-life magic carpet inventor and a tour of the Bank of England.
The pick of the week's 4 O'Clock Show, with Mel Giedroyc.
Mel Giedroyc remembers her night in an Iron Age barn and how to knit a sculpture.
Mel presents a tour of a lighthouse and the real-life Professor Calculus.
Mel welcomes children's laureate Malorie Blackman, plus a wander around the British Museum
Mel brings you the man who swims with great white sharks and a duck race in New Mexico.
Mel Giedroyc scrolls back through her best bits of this week's programmes.
Mel offers happy hens, Paul O'Grady's home remedies, hula dancers and lost moon rocks.
Savoury chocolates, red squirrels and a trip to Roald Dahl's home village.
The Kangaroo Man, the singing mobile library man, and a man with very dirty feet.
Richard Hammond, the flying cars of the future and the world's first ever parachutists.
Mel Giedroyc with the best of this week's 4 O'Clock Show.
Mel Giedroyc introduces her pick of the previous week's 4 O'Clock Shows.