"After saving the world, Charlie is ready to take it easy in the Galapagos Islands. That is, until she's approached by the mysterious Esmeralda Castle, who has a code she knows only Charlie can decipher. In 1835, Charles Darwin diverted his ship's journey so he could spend ten months in South America on a secret solo expedition. When he returned, he carried a treasure that inspired both awe and terror in his crew. Afterward, it vanished, never to...

On a beautiful day, some of Charles Darwin's many children help him study humblebees (bumblebees) in the garden at their home in the English countryside.