Episode 0688


 * Sam the Machine wants to join a group who's jumping rope, playing on a swing and singing, but he realizes that he can't do any of those things.


 * Anything Muppet barbershop singers sing "High, Middle, Low".


 * Sam and Oscar play a game which involves covering all of the Street with trash.


 * Bert, Ernie and Big Bird demonstrate tall, taller and tallest.