Nurse Farber tells Doogie a story about inviting a guy in for coffee after a date and when she went to get half in half she comes back out to the guy completely naked. Season 4 episode 9 of How I Met Your Mother, which stars Neil Patrick Harris, is the exact premise Robin has a blind date with a man who tries his signature move on her, the `Naked Man'. The feat involves him surprising dates by getting naked in the hope they'll take pity on him and have sex.