Grey's Anatomy (2005)

S2E21 Superstition

Following a string of fatalities at the hospital, several staff members begin to develop superstitions. Izzie, concerned for Denny’s well-being, finds herself at odds with Alex. Meanwhile, a patient with OCD tests Cristina’s patience to the limit. Derek and Addison engage in a candid discussion about their complicated feelings for Meredith. Richard reconnects with an old friend from 17 years prior, who uncovers a hidden truth about a troubling chapter in his past involving Ellis. George receives unsolicited advice about the women he’s avoiding, while Burke and Cristina clash over the possibility of ousting George from their circle.