Louis C.K. is famous for his cheeky retorts on his award-winning FX comedy “Louie.”
However, he may have met his match in his latest visit to his physician in a new teaser trailer for Season 4, premiering May 5.
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The hypochondriac explains he hurt his back “really bad.”
His doctor, apparently nonplussed, takes another bite of his sandwich.
Watch his hilarious diagnosis below: