Drake and Josh Easter Egg - A Lot of Eggs

In the episode where the movie star gets knocked out, there are a lot of eggs.
1.)at the beginning, when Drake goes to the theater, he starts to do that belly thingy from iCarly(which was aired a year later).
2)in the middle of the episode, Drake talks to josh at the theater. He starts listing movie stars including Adam Sandler.
3)one of the movies is named "The Empress Fights Back," which is a reference to Star Wars 5("The Empire Strikes Back).