When Whitebeard attempts to magically enhance his voice for a singing duet with an old Wizard friend, he accidentally switches bodies with Arf. It's up to Waldo and Wenda to reverse the mix-up before the concert!

Arf gets a chance to run with sled dogs when he travels with Waldo and Wenda to wintry northern Canada to deliver an important package to Wizard Whitebeard is off watching the Northern Lights with a fellow wizard.