Season 2, Episode 22 of Grey's Anatomy, "The Name of the Game," features Meredith meeting her half-sister and introducing veterinarian Finn Dandridge, while George and Callie’s romance begins. The episode also highlights Dr. Bailey's challenging return from maternity leave and Cristina's rivalry with Chief Webber. For more details, visit Grey's Anatomy Universe Wiki . The Name of the Game | Grey's Anatomy Universe Wiki