Gazetta.it has listed all the different possibilities for viewing the Giro d'Italia over the next three weeks!
You can check out that TV schedule here: http://www.gazzetta.it/Giroditalia/2013/it/tv-schedule.shtml
Also, for information on how to track the Giro through other methods, check out the site of cyclingfans. They should have more information in the next days.