Aggiungi una trama nella tua linguaWhen a science experiment goes wrong, teenagers Shelby and Cyd start leaping backwards and forwards through time. Teenage genius Barry helps them master their new power.When a science experiment goes wrong, teenagers Shelby and Cyd start leaping backwards and forwards through time. Teenage genius Barry helps them master their new power.When a science experiment goes wrong, teenagers Shelby and Cyd start leaping backwards and forwards through time. Teenage genius Barry helps them master their new power.