Collected slides introducing the principes behind using stable isotopes in archaeology. The slidedeck does not form one comprehensive lecture, but rather is a collection of slides that might be useful for others to teach this subject and which did not have copyrighted or potentially copyrighted content. The content of the remaining slides is in the public domain or has been produced by the author. All content can be used under a CC0 licence - attribution is appreciated though and in line with the Zenodo-supported CC-BY licence.