Episode 660: "In the Shadow of Zekrom!" (To the Isshu Region! Zekrom's Shadow!!)

It's the start of a new adventure for Ash! This week Ash prepares to go on a vacation with his mother and Professor Oak, but of course he finds himself in the middle of a storm caused by the legendary Pokemon, Zekrom! Will the vacation be a huge disaster? Let's watch and find out!