| Hints | |
| Callie and Arizona. Who wants kids? | |
| What was Lexi wearing for Halloween? | |
| What did Izzie use to make burrow holes in a man's skull while on a ferry? | |
| What STI did George get? | |
| What wire of Denny's did Izzie cut? | |
| Where did George and Alex preform heart surgery? | |
| What did Derek live in? | |
| What's on the wall in Meredith and Derek's room? | |
| What did Meredith make the outline of her dream house with? | |
| Which of George's parents is dead? | |
| What religion is Cristina? | |
| What colour was Izzie`s prom dress? | |
| Who did Izzie see in the elevator? | |