This seven part documentary gives a thorough explanation of the theology of holy icons in the Orthodox Church and the purpose of their veneration. After watching it you will understand why people died for the defense of icons in the Orthodox Church and why the Seventh Ecumenical Council is essential and significant for Orthodox Christians.
The video is produced by the Ostrog Monastery and the Academy of the Serbian Orthodox Church for Fine Arts and Conservation. Each part is about 30 minutes long, and the whole documentary is about 3.5 hours long. All seven parts should be accessible in the player below. You can also find all seven parts individually on this YouTube playlist, or you can find the whole documentary as one video here.