Act I
Oh, the Thinks You Can Think!
Company
Our Story Begins
The Cat and Boy
Horton Hears a Who!
Bird Girls, Horton and Citizens of the Jungle of Nool
Biggest Blame Fool
Sour Kangaroo, Young Kangaroo, Horton, Wickershams, Bird Girls, Gertrude, Mayzie, Citizens of the Jungle, Boy and The Cat
Here on Who
The Mayor, Mrs. Mayor, The Grinch, Whos, Schmitz and Horton
It's Possible
JoJo, The Cat, Things and Fish
How to Raise a Child
The Mayor and Mrs. Mayor
The Military
General Genghis Khan Schmitz, The Mayor, Mrs. Mayor, JoJo and Cadets
Alone in the Universe
Horton and JoJo
The One Feather Tail of Miss Gertrude McFuzz
Gertrude McFuzz
Amayzing Mayzie
Mayzie LaBird, Gertrude, Bird Girls
Amazing Gertrude
Gertrude and Bird Girls
Monkey Around
Wickersham Brothers and Horton
Chasing the Whos
Horton, Bird Girls, Wickershams, Sour Kangaroo, Young Kangaroo, The Cat, Vlad Vladikoff and Whos
How Lucky You Are
The Cat, Things and Whos
Notice Me, Horton
Gertrude McFuzz and Horton
How Lucky You Are (Reprise)
Mayzie LaBird and Horton
Horton Sits on the Egg
Company
