Josh Radnor once shared a story with his fictional kids about how he met his mother.
Somewhere down the line, he may also tell them how he banged a really famous doctor.
That's an awkward way of saying that the former How I Met Your Mother lead has been cast on at least one episode of Grey's Anatomy Season 15.
And that episode airs tonight!
Radnor - best know for portraying Ted Mosby on the aforementioned CBS sitcom from 2005 to 2014 - most recently starred on NBC’s Rise before it...