Cubes

To help show a mischievous cube that he's needed, Elmo and a Ham Actor sing a song that shows how cubes are everywhere. They are joined by various other cubes, including:

An ice cube (Kevin Clash)
A sugar cube (Leslie Carrara-Rudolph)
A pair of dice (John Tartaglia)
A block (Carmen Osbahr)
A Jack-in-the-box
A brownie square (John Kennedy)