7pm NATURE - IS THAT SKUNK?
Intrepid researchers track skunks and uncover how they hunt, forage, mate and raise their babies.
8pm MASTERPIECE MYSTERY! - INSPECTOR LEWIS, SERIES III: DARK MATTER
An amateur astronomer who works at Gresham College is found dead and suspicion points to the staff.
9:30pm PBS PREVIEWS: PROHIBITION
Watch the full episode. See more Ken Burns.
A behind the scenes look at a new film by Ken Burns about the rule and fall of the 18th Amendment.
