DISCLAIMER: While this video was featured on the official TF2 blog, I haven't yet watched it to see whether or not it includes any inappropriate language. Watch at your own peril.
Source: eXtv: Intro to Competitive TF2This video is intended for our viewers who have perhaps never seen Team Fortress 2 and really don't know what its about. I explain the setup, the format, and briefly get into the strategy of the game. There are brief looks at each of the main competitive classes.