ACT I
Oh The Thinks You Can Think
Cat, Boy
Horton Hears a Who
Cat, Boy, Horton, Bird Girls, Jojo
Biggest Blame Fool
Sour Kangaroos, Horton, Wickershams, Bird Girls, Gertrude, Mayzie, Cat
Here on Who
Mr. & Mrs. Mayor, JoJo, Horton, Whos
How to Raise a Child
Mayor, Mrs. Mayor
Oh The Thinks You Can Think (reprise)
Jojo, Ensemble
It's Possible (Pt. 1 & 2)
Jojo, The Cat, Fish
Alone in the Universe
Horton, Jojo
The One Feather Tail of Miss Gertrude McFuzz" / "Amayzing Mayzie
Gertrude, Mayzie, Bird Girls
Amayzing Gertrude (Pt. 1 & 2) / Monkey Around" / "Chasing the Whos
Gertrude, Wickershams, Sour Kangaroos, Cat, Horton, Bird Girls, Whos
Notice Me, Horton
Gertrude, Horton
How Lucky You Are / "Horton Sits on the Egg" / "Dilemma" / "Hunters
Mayzie, Cat, Horton, Gertrude, Bird Girls
(hidden)
Egg, Nest, and Tree / Sold" / "Mayzie in Palm Beach / Amayzing Horton
Sour Kangaroo, Horton, Hunters, Bird Girls, Mayzie, Cat
Alone in the Universe (Reprise 1) / Solla Sollew
Horton, Mr. & Mrs. Mayor, Jojo
Gertrude/Espionage (Pt. 1 & 2) / All for You
Gertrude, Horton, Bird Girls, Cat
The Whos Return" / "The People Versus Horton the Elephant (Pt. 1 & 2)
Full Company
YOPP! / Alone in the Universe (Reprise 2)
Sour Kangaroos, The Cat, Mr. & Mrs. Mayor, Horton, Gertrude, Jojo
Oh, the Thinks You Can Think! (Finale)
Jojo, Full Company
