—navigate grueling 48-hour shifts, high-stakes surgeries, and the harsh mentorship of , known as "The Nazi". Key Character Arcs Meredith Grey
: Driven and competitive, she forms a deep bond with Meredith and begins a secret, intense relationship with attending cardiothoracic surgeon . George O'Malley greys anatomy season 1
Let’s scrub in and take a look back at —the short, punchy, nine-episode premiere season that started it all. —navigate grueling 48-hour shifts
: Struggles to be taken seriously as a doctor due to her past as a lingerie model. She eventually stands up for herself after Alex Karev and the harsh mentorship of