en Cuevana 3. An ET special that features new interviews with stars of the long-running comedies Lear created and never-before-seen interviews from the ET vault. This one-hour special features new interviews with stars of the long-running comedies Lear created, including Jimmie Walker and Mackenzie Phillips. Also included with this new footage and interviews is an in-depth sit-down interview with Lear that ET host Kevin Frazier conducted when Lear celebrated his 100th birthday, in which he reflected on his lengthy, groundbreaking career.