Seussical is a musical that brings together characters and stories from the beloved children's books of Dr. Seuss. It features a whimsical blend of songs and narratives, focusing on themes of imagination, friendship, and the importance of believing in oneself. The story primarily follows Horton the Elephant, who hears a small voice coming from a speck of dust. He discovers that the speck contains the tiny world of Whoville, home to the Whos, including JoJo, a young Who with a big imagination. Throughout the musical, Horton faces challenges but remains determined to protect the Whos and their home.