Lots of people are recommending Not Just Bikes on YouTube in this thread, which is great. In my mind, walkable urban design is a super important topic that people need to be on board with if we're to get ourselves out of this climate crisis. So here are a few related YouTube recommendations I've come across:

About Here (Specific to Vancouver, BC): https://www.youtube.com/c/AboutHere

Oh the Urbanity: https://www.youtube.com/c/OhTheUrbanity

City Beautiful: https://www.youtube.com/c/CityBeautiful