"But I want to do good work, after this series"

When Jackie Cooper said "But I want to do great, after this series," he was likely showing his desire to proceed from his existing project and concentrate on producing work that he truly thinks in. It's possible that the series he was currently working on was not satisfying this desire, and he aspired to explore brand-new opportunities to showcase his talent and creativity. This quote highlights the significance of enthusiasm and purpose in one's work, and the drive to attain something meaningful and impactful. It suggests that Jackie Cooper was encouraged by a desire to make a difference in the world through his art, and saw a brighter future ahead.