S4E16
Grey’s Anatomy Season 4 Episode 16
⚠ Spoiler alert This recap gives away what happens in this episode.
Episode Summary & Review
On the two-hour season finale of “Grey’s Anatomy,” Meredith and Derek have one last shot at a successful outcome in their clinical trial, as the other surgeons work together to free a boy from a hardening block of cement. Meanwhile, Izzie helps Alex care for an ailing Rebecca, and Lexie discovers critical information about George’s intern status.