Grojband/A Brief History of Motion Pictures

Cast

 * Discord (from My Little Pony) as Cookie Monster
 * Chuck (from The Angry Birds Movie) as Grover
 * Spirit (from Spirit: Stallion of the Cimarron) as Fred the Wonder Horse
 * Joshua (from Clarence) as Bert
 * Lincoln Loud (from The Loud House), Owen (from Total Drama) and Greg (from Steven Universe) as Elmo, Telly and Henry as The Marx Brothers
 * Amy Gillis (from Clarence) as Zoe as Dorothy Gale
 * Laney Penn as Priarie Dawn
 * Snowball (from The Secret Life of Pets) as Oscar the Grouch
 * Misterjaw (from Misterjaw) as the Shark
 * Corey Riffin as Big Bird