If you've never knit a stitch before, this is the video for you. It shows you how to make a slip knot, how to cast on, and how to do the knit stitch using the English method.
There are many ways to cast on for knitting. This video demonstrates one of the most versatile cast-ons - the long tail cast on. It may be a little bit tricky at first, but if you watch carefully, you'll catch on without too much trouble.