ACT I
Oh, The Thinks You Can Think!
Cat in the Hat, Boy, Horton, Mr. Mayor, Mrs. Mayor, Gertrude, Mayzie, Sour Kangaroo, Schmitz, Ensemble
Horton Hears a Who
Cat, Boy, Horton, Bird Girls
Biggest Blame Fool
Sour Kangaroo, Horton, Wickershams, Bird Girls, Cat, Gertrude, Mayzie, Citizens of the Jungle, Boy
Here On Who
Mr. Mayor, Mrs. Mayor, Whos, Grinch, Horton
Oh, The Thinks You Can Think! (Reprise)
Cat, JoJo
It's Possible
JoJo, Cat, Fish
How to Raise a Child
Mrs. Mayor, Mr. Mayor
The Military
Schmitz, Cadets, Cat
Alone in the Universe
Horton, JoJo
The One Feather Tail of Miss Gertrude McFuzz
Gertrude, Cat
Amayzing Mayzie
Mayzie, Gertrude, Bird Girls
Amayzing Gertrude
Gertrude, Bird Girls, Cat
Monkey Around
Wickershams
Chasing the Whos
Sour Kangaroo, Bird Girls, Wickershams, Yertle, Cat, Horton, Vlad Vladikoff, Whos
How Lucky You Are
Cat, JoJo, Whos, Horton
Notice Me, Horton
Gertrude, Horton
How Lucky You Are (Reprise)
Mayzie, Cat
Act 1 Finale
Horton, Gertrude, Cat, JoJo, Whos, Bird Girls
ACT II
Seussical Entr'Acte
Cat, Boy
Egg, Nest, and Tree
Sour Kangaroo, Bird Girls, Wickershams, Yertle, Cat, Horton
The Circus McGurkus
Cat, Circus Performers
The Circus on Tour/How Lucky You Are (Reprise)
Horton, Cat, Circus Performers