Overture -- Oh, the thinks you can think -- Horton hears a Who -- Biggest blame fool -- Here on Who -- A day for the cat in the hat -- It's possible (McElligot's pool) -- How to raise a child -- The military -- Alone in the universe -- The one feather tail of Miss Gertrude McFuzz -- Amayzing Mayzie -- Amayzing Gertrude -- Monkey around -- Chasing the Whos -- How lucky you are -- Notice me, Horton -- How lucky you are (Mayzie's reprise) -- Horton sits on the egg/Act 1 finale -- Egg, nest and tree -- Mayzie in Palm Beach -- Alone in the universe (reprise) -- Solla Sollew -- Havin' a hunch -- All for you -- The people versus Horton the elephant -- Finale/Oh, the thinks you can think -- Green eggs and ham (curtain call).