If you missed Episode 1, it is available HERE.
Link to video: Cosmos: A Spacetime Odyssey: Some of the Things That Molecules Do
The episode above was largely about evolution. If you're new to the subject and want to learn more, here are some good places to start:
The Origin Of Species
The Greatest Show on Earth: The Evidence for Evolution
Why Evolution Is True
The Selfish Gene (a Charlie Munger recommendation)
The Extended Phenotype
The Blind Watchmaker
Evolution: What the Fossils Say and Why It Matters
And though a bit older and technologically dated from 1991, Richard Dawkins' 1991 Christmas Lectures are also excellent, and they are available HERE.