YouTube is a great place to learn more about the Byzantine Empire. It integrates quite well into how people generally interact with media today and is quite accessible.
Here are examples of great YouTube channels that focus on Byzantine History.
I will continue to update this collection as I continue to engage with Byzantine video content on the internet.
Kings and Generals:
Byzantine Reconquista:
This focuses on the Byzantine upsurge in fortunes starting with Emperor Nikephoros Phokas to Basil II.
Eastern Roman Army Video on Tactics, Structure and weapons in the Middle Byzantine Army era.
Great video to understand how the Middle Byzantine Empire evolved from Late Roman tactics to something more defensive and eventually more offensive under the Macedonians.
Invcita:
What was it like to Grow Up Byzantine?
This is an overview which goes into the basic social structure of the Byzantine Empire, mostly in the Middle to Late Era. This is a great video to contrast with the other Grow Up videos.
Byzantine-Empire.com 