Procidis is an independent French production company created by Albert Barillé, a pioneer of edutainment animation. He wrote, directed and produced the saga Once upon a time…, between 1978 and 2009, with: Man, Space, Life, the Americas, the Discoverers, the Explorers and Our Earth, today restored and reunited under the Hello Maestro brand.
In 2024, the saga welcomes a new series!

The Adventures of Colargol, a musical tale dedicated to 3-5 year olds, is back in cinemas.