Not OP, but most of what I watch is on Youtube as well except for Lindsay Ellis and The Great War.

• Lindsay Ellis
• The Great War
• PolyMatter & Polyphonic
• FilmJoy AKA Movies with Mikey
• 12tone

Slightly defunct with good backlogs:

• Just Write
• Lessons from the Screenplay
• Now You See It
• Middle 8
• kaptainkristian