Superstar a capella group Pentatonix is struggling to find inspiration for their annual holiday album, and the clock is ticking. To make matters worse, their well-intentioned but misguided manager mistakenly locks them in a magic mailroom. But with the help … Mitch Grassi, Scott Hoying, Kirstin Maldonado, Kevin Olusola, Matthew Sallee, Nico Santos, Morgan Keene Added on Disney 2022-12-05. Youtube Trailer