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.
The hypochondriac explains he hurt his back “really bad.”
His doctor, apparently nonplussed, takes another bite of his sandwich.
Watch his hilarious diagnosis below: