reportedly made a sex tape with one of his four wives in the 1970s, during his heyday as host of the Tonight Show
Though there's few details about the X-rated video, TMZ reported over the weekend that the owner is hoping to sell it to private collectors, rather than a porn company.
The gossip site also spoke to Joan Rivers, who appeared on The Tonight Show with Johnny Carson multiple times during her career and has called him a mentor figure.
"I saw it in real life," she said, in reference to reports that Carson was well-endowed.
It's Joan Rivers, so her claims should be taken with a grain of salt. But she did add that she and Carson what he would have called a "one-night bounce."
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