Red Bull Music Academy has a long article and five episodes video parts of "a documentary series about Japanese video game music" (VGM).
Dorkly (#1 and #2) shared "Let's Do Nothing In Video Games (Idle Animations)" on YouTube (#1 and #2) -- Alright, put down your controller and lets watch and see what the characters do on their own. Some characters are funny when left alone and some are very unique. When you don't push a button for an x amount of time your character will start doing something random.
Rizenvisual's YouTube video channel has a bunch of funny and (geek/nerd)y videos in real life (IRL). Many of them are related to video games
Gaming History Source's YouTube video channel has a ton of "Let's Compare" on old video games on various (system/port/platform)s. It already has video playlists for each year
MajamiHiroz's YouTube channel has a bunch of videos, with cussings, showing mostly (spoof/parodie)s of mostly video games and the (19)80s days -- "Welcome to the '80s.
Reddit has a group for recorded videos showing the stories to various video games.
Mr.TVCow's YouTube channel has a bunch of funny videos related video games, entertainment, visual/special effects, etc.
Idoiocracy's Reddit re(ply/sponse) mentioned his The Making of Games' alphabetical index of all submissions with many links including videos.
Blue's News shared The Verge's article on "How Atari box art turned 8-bit games into virtual wonderlands -- Modern games have nothing on these cartridges... The original Atari featured a wealth of games with box art that was quite a bit more imaginative than the “grizzled man holding a gun” template that’s so popular today. The concept of playing a video game in your house, on your television, was still in its infancy in the late 1970s, and Atari needed a way to market its games. One solution was to commission intricately detailed covers that sold the idea of a game much better than any simple screenshot could..."