Guest Stars Julianne Buescher voices Yolanda Scott Hoying as Pentatonix Kirstin Maldonado as Pentatonix Julianne Buescher voices Denise Mitch Grassi as Pentatonix Avi Kaplan as Pentatonix Kevin Olusola as Pentatonix Jason Bateman as Himself Lauran September as Sabrina
