Certifiably Jonathan plot
Jonathan Winters, an 80-year-old funny genius, is a talented painter. He dreams of hanging his works in the museum of modern art. When Jonathan's exhibition in Beverly Hills and Las Vegas seems to be failing, his dreams seem over. The filmmakers decide to help him by showing a well-known critic his works. Believing that Jonathan is the missing link between 'Miro and Dali', he decides to convince the museum to exhibit Jonathan's works, provided he paints three new works. Jonathan goes to work like a madman, but disaster ensues when his favorite painting is stolen, causing him to lose his sense of humor. Jonathan cannot paint without his humor. With the help of Robin Williams, Sarah Silverman, and many others, Jonathan sets out on a quest to find his old trusty funny personality!