The Unofficial Guide to Cosmos tackles the debate between competing pictures of reality: ID versus scientific atheism. You don't need to have seen a single episode to get the most out of it.
Once you admit common design into your explanatory toolkit, the prospect that similar genetic mechanisms would be used in different species isn't "surprising" at all.
In recent years, biologists have tried to explain human moral, intellectual, and religious capacities in terms of Darwinian evolution.
In place of natural selection, some evolutionary biologists propose random genetic drift (neutral mutations) to explain the origin of complex biological features.