The fourth episode of Season 4 of , titled " The Heart of the Matter ," originally aired on October 18, 2007. This episode deals with the heavy emotional fallout of George and Callie's marriage and includes a critical medical error involving an intern. Where to Watch
You can stream this episode through several official platforms: Grey's Anatomy Season 4 Episode 4 Recap - TV Fanatic Watch www xrysois se Greys Anatomy S04E04