Gibault Catholic High School presents “Seussical Jr.: The Musical” April 25-28 in the Father Hustedde Gymnasium, 501 Columbia Avenue, Waterloo. Thursday, Friday and Saturday shows begin at 7 p.m., with a 2 p.m. Sunday matinee. Cost is $13 for adults, $10 for children and Gibault students and children age 5 and under are free.