Big Bang theory Courses

Introduction to Astrophysics
École Polytechnique Fédérale de Lausanne via edX

My Favorite Universe
The Great Courses Plus

D'un infini à l'autre
École Polytechnique via Coursera

Astrophysics & Cosmology
NPTEL via YouTube

Introduction to Astronomy: Cosmology
YouTube

Astronomy-Astrophysics
Professor Dave Explains via YouTube