I was just thinking about several very different but interesting and helpful videos on tabletop RPGs, ranging from introducing new games, better ways to play, game reviews, homebrewing rules, and more. Here's a short list just off the top of my head, all worth watching--or re-watching:
Matthew Colville - Bad Guys! Running the Game #15
https://youtu.be/FUrlRZu2uCc
Matthew Colville - Roleplaying, Running the Game #83
https://youtu.be/7YCVHnItKuY
Sly Flourish - Lazy DM Prep Step 4: Secrets and Clues
https://youtu.be/KjwSlYHdxc8
Sly Flourish - Darkvision in D&D Isn't As Good As You Think
https://youtu.be/wNo5R-mW7M4
Runesmith - Basically Ravnica
https://youtu.be/mZa0HHyKlh4
Runehammer - The Moral Imperative
https://youtu.be/ir5oEvgP6Sw
Dimension 20 - Start Spreading the News (Ep. 1) | The Unsleeping City
https://youtu.be/2Kktwa0kqaU
Curious Beginnings | Critical Role: THE MIGHTY NEIN | Episode 1
https://youtu.be/byva0hOj8CU
Dungeon Dudes - Create the Character You Want to Play in Dungeons and Dragons
https://youtu.be/L2NhvD2Xafw
Dungeon Dudes - Our Top 5 Multiclass Combinations in Dungeons & Dragons 5e
https://youtu.be/hr9NVMLIbjc
Chris McDowall - Electric Bastionland RPG Deep Dive - Part 1
https://youtu.be/jOOYPU7I-OM
Dave Thaumavore - Tales From the Loop: Get your 80’s kid retrofantasy fix - RPG Review & Mechanics
https://youtu.be/Q9BRkXo-tFA
Dungeon Craft - DungeonCraft #37: How to Handle Magic in D&D & Pathfinder
https://youtu.be/RV_RwUFETdI
Matthew Colville - Why Do We Play D&D? Running the Game #5
https://youtu.be/Ama2wMxq84o
Dungeon Dudes - Monster Statistics Explained for Dungeons and Dragons 5e
https://youtu.be/j061WWtTE94