David Bianculli

After decades on air, Poirot's 13th and final season begins Aug. 25. David Suchet still stars as detective Hercule Poirot, but you won't find the show on PBS. So where is it?

The new Cinemax show stars Clive Owen as a rude doctor in a New York City hospital in 1900. It may take a few episodes, but you'll care about the characters and their inventions.

As technology gets more complex, TV producers aim to take advantage of it, such as relying on phoned-in votes from viewers. The interactive talent show, it turns out, predates TV itself.