A short animation to show Miller & urey´s experiment. 30 secs
And here the explanation (some 3 mins).
From Carl Sagan’s Cosmos: Abiogenesis: The Origin of Life. (about 6-7 mins)
In this video Julia Child cooks up a batch of primordial soup and explains how these simple ingredients produce amino acids – the building blocks of life (the video is from 1976 but I find it very educational indeed).