The gang is devastated after their tree house collapses. It was the best place to hang out in the whole world! Can architect Frank Gehry get them to agree on a new design and help them to rebuild?
"Tipping the Scales"
Everyone in Arthur's chorus group is excited about their upcoming performance in Crown City. Everyone knows nothing beats that post-concert cheesecake at Finklemeyers! But when strict Dr. Fugue replaces fun Mrs. Krasny as their teacher, the gang worries -- will music class ever be fun again?