Will: Yes popcorn. I've been calling you for like an hour!
Vender: Oh so you were the one! I thought it was the 49,000 other people that are in here.
Grace: Ok. I don't think Jack likes me.
Will: Ohh! What are you talking about? Jack loves you.
Grace: No. Jack loves you. I came along with the deal. See, you're the hamburger, and I'm that little cup of coleslaw. You don't order it, but, pfft, there it is on the plate.
When Megan yells "Skate faster, we have reservations!!" you can see that Eric almost breaks character, but he quickly re-establishes himself.
Grace: Oh, Will, that's so... Party of Five. So what do you want to do this year?
This is a reference to Fox's series Party of Five.
Will: You don't have a "Josie and the Pussycats" lunchbox in there, do you?
Josie and the Pussycats was one of the most famous Hanna-Barbera cartoons throughout the 1970's.
Grace: Are you serious? It's Michelle Kwan.
The episode revolves around seeing figure skater Michelle Kwan.