Video developed through the collaboration between the General Council of Official Colleges of Pharmacists and BioSim, which addresses what biosimilar biological medicines are and provides some information. This is the first in a series of informative videos on biosimilars that will be released during 2022. Future installments will address topics such as the difference between a biosimilar medicine and a generic medicine, the main myths about these medicines, their evolution and development, or their contribution to the health system, among others.