Abstract: The present invention concerns a system of delivering interactive seminars that allows, in particular, the projection of interactive movies, enjoyed by groups of people attending the seminars with the possible supervision of a tutor, apt to modify their own story depending on decisions and behaviours of the audience, the system stimulating the attention of the participants through the stimulus of all the sensory channels controlling the learning process, ensuring a strong involvement of the participants with the maximum reproducibility of the instructive results, the system being extremely efficient, reliable, and simple to use. The present invention further concerns the related method of delivering interactive seminars, and the instruments and the apparatuses of the system.