Mark Sloan starts to work at Seattle Grace. Meredith has appendicitis and breaks up with Finn. Izzy meets Denny's father.
Tropes
- Good Adultery, Bad Adultery: Mark calls Derek out for considering Addison cheating with Mark unforgivable but then cheating himself with Meredith.
- Pregnancy Scare: Meredith worries she's pregnant when she starts throwing up, but it's appendicits.
- Unexpected Inheritance: Denny left Izzy some money.
