 The series follows young members of the WorldWide Wanderer Society, Waldo and Wenda, who are sent on travel missions by their mentor, Wizard Whitebeard.Their rival, Odlulu, causes them trouble in their attempts to earn stripes and become wizard-level wanderers.Confirmed guest actors for the series include Bobby Moynihan, "Weird Al" Yankovic, Retta, Carlos Alazraqui, Rachel Dratch, Kerri Kenney-Silver, Tom Kenny, Candi Milo, Oscar Nunez, Jerry O’Connell, and Hannah Simone.