charge closed our parks, shuttered our schools, shut down our businesses and took away our freedom. dr. oz gained popularity as the doctor who made regular appearances on oprah. then, he landed his own tv gig where he came under fire for making controversial and fabricated claims about medical cures. tonight, randi kaye has the story. >> reporter: his audiences watch in awe as dr. oz pushing miracle treatments or cures that often lack medical evidence to back them up. >> and i've got the number one miracle in a bottle to burn your fat. it's raspberry key tone. >> we're kicking it off with what i believe is one of the most important discoveries we've made to help you burn fat faster. green coffee bean extract. >> reporter: dr. oz also once claimed putting a bar of lavender soap in your bed can help prevent restless leg syndrome, but there is nothing like his showmanship for his rapid belly melt demonstration. he used it to promote another questionable fat burning product he called lightning in a bottle. this is what it does to your