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Nero discovers that he might have to leave Elmsmere Manor forever.
Mr Bell explains how the staff at Elmsmere are like superheroes.
Dick and Dom reveal the genius of Italian inventor Guglielmo Marconi.
The dads of our aviators tackle the aerial challenges that their kids once overcame.
Ed and Johny go head to head in a race at Eden Whale Festival.
Harry and Mia see if they have what it takes to be theatre performers.
Pressure from his classmates has Arthur doubting his decision.
Ricky paints a city skyline with a library card.
The Blue Peter team kick-start the summer badge baton relay.
Radzi takes to the skies with the RAF for a very special flypast over Buckingham Palace.
When their ball ends up with the Bottersnikes, Tink, Bounce and Willi try to retrieve it.
Cel and Yasser look back on the chart year and count down to the official UK number one.
Watch a preview of this brand new series, coming soon to CBBC.
Oli White hands out his end-of-series awards.
Cassie's team from Vale of Glamorgan go up against Sophia's team from Gateshead.
Danger Mouse and Penfold must travel to the Twystyverse to stop the evil Baron.
Steve Backshall delves into the weird and wonderful world of parasites.
The Nektons explore a floating island and find the final piece of the Ephemychron.
The pupils of the Lancasterian School want a space that everyone can hang out in.
Dennis and Walter must each live the other's life for a day.