When Jules, Ellie and Laurie are talking about the reason for not having Thanksgiving pics, they're making fun of the network shortening the season, due to low ratings and placing another show during their timeslot.
To spoof the title which no longer matches the content of the series, in the second season the producers started adding self-deprecating jokes to the show's title card. The one for this episode reads: welcome to "Cougar Town" Are we still on TV?
During the pizza toss event, you can Stan Torres's "tag" (ST in a circle) on a wall behind the podium.