Open University - Design History

There are six parts:
Gothic Revival: Design in a Nutshell (1/6)
Arts and Crafts: Design in a Nutshell (2/6)
Bauhaus: Design in a Nutshell (3/6)
Modernism: Design in a Nutshell (4/6)
American Industrial Design: Design in a Nutshell (5/6)
Postmodernism: Design in a Nutshell (6/6)

Becoming Youtube

Anatomy of a YouTuber | BECOMING YOUTUBE | Video #1

Amor Sciendi on YouTube

Art History videos on YouTube; See their channel here!

Sci Show - youtube

See also the Sci Show channel

V sauce - an internet phenomenon

There are multiple short video series growing out there dedicated to different aspects of "internet phenomenon". Watching these videos is informing, funny, strange and mind blowing (like one of the series titel is actually called).

Go to the YouTube channel here.
See a sample Video of the series Bi - Di - Pi / build it - draw it - play it:

Harry Potter Fan Art -- BiDiPi #1 

ICICLE of DEATH -- Mind Blow #30 

Crash Course - World History and more

Short videos with professionally condensed and visualized information about "World History" and other topics:

See the channel on YouTube here.
See a sample video below:

The Agricultural Revolution: Crash Course World History 1

 

Idea Channel - YouTube

See the channel here.
And one of the videos below:

Is Nostalgia the Reason for Adventure Time's Amazing Awesomeness?

Extra Creditz - YouTube

A lot of short videos about Game Design, containing many useful and interesting insights also for other disciplines!
See their videos on the YouTube channel
See one of their videos "Gamifying Education".