Overview: Close friends Marcus and Holly begin their freshman year at a tough public high school in Baltimore County, Maryland. When Cassie, a well liked senior at the school, disappears suspiciously, both of their lives change forever. Together, will they find out what happened to Cassie? And after a dramatic confrontation, will any of them ever be the same?
Overview: This holiday special goes back in time to show how Elmo's ancestors--not to mention those of Grover, Big Bird, Bert, Ernie, Oscar the Grouch and Cookie Monster--helped transform "the most unfriendly street in town" into the bright, kind, music-filled place it is today.