Who are the go to YouTube channels for retro information and gameplay?
For reviews, hidden gems, collecting etc I watch these the most
Classic Game Room (game and hardware reviews, funny)
Metal Jesus Rocks (systems and hidden gems, collecting)
Game Sack (game and hardware reviews)
Also worth a look
Kim Justice (UK 8bit centric documentaries)
The Game Chasers (game and system collecting with some history)
My Life In Gaming (getting the best out of systems, image quality etc)
The Gaming Historian (Documentary style)
Game Dave (reviews old and new)
Classic Gaming Quarterly (Documentary style)
Larry Bundy Jr (Obsure fact documentaries)
Nostalgia Nerd (UK centric documentary style)
Last Gamer (Australian world record game collection, bit amateur compared to most other I've listed)
I also watch
Pat the NES punk
Angry Video Game Nerd (Cinemassacre)
Gamester81
Adam Koralik