The PBS Kids Bookworm Bunch was a Saturday morning preschool television block co-produced by Canada-based studio Nelvana that aired on PBS from September 30, 2000, until September 5, 2004. It typically aired on weekend mornings, depending on station preference and scheduling. The six animated programs that aired on the PBS Kids Bookworm Bunch were all based on children's books: Corduroy, Elliot Moose, Timothy Goes to School, Seven Little Monsters, George Shrinks, and Marvin the Tap-Dancing Horse.