Dr. Arnold Klein has shown up at the TMZ offices to appear on TMZ live at 1:30 PM PT, 4:30 PM ET today.
Dr. Klein -- who bailed before his scheduled appearance on Tuesday -- promises to tell all about his most famous patient, Michael Jackson.
Dr. Klein will talk with Harvey Levin -- no restrictions.
Come back at 1:30 PM PT, 4:30 PM ET.
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