Team Umizoomi discovers the great Shape Mountain where shapes have superpowers when they learn about a 12-sided shape called a Dodecahedron (Do-dic-co-hed-dren) that can make a vehicle fly until his rival, the big, blue dump truck plans to take the dodecahedron for himself.
S 4 : Ep 18
Aired 4/24/15
S 4 : Ep 17
Aired 9/10/14
S 4 : Ep 16
Aired 9/9/14
S 4 : Ep 15
Aired 5/1/14