Edie hitting on Rose and later her confessing it to Melissa.
Kenny practicing kissing with Rose and Casey.
Melissa's reaction to said practice kiss.
The homage to Flashdance.
Kenny getting bit in the groin by a spider and everyone's reactions to it.
David describing the type of haircut he wants.
The guy in the background can be seen watching the entire thing, and he points to his head and says "right here." "Yeah give me that."
On the plane David introduces his "kids" to the flight attendant Casey mischievously ad-libs:
Yeah. I'm going through all those typical teenage girl issues, like finals and college applications and am I gonna get asked to prom? Plus, I haven't gotten my period in, like, two months, which is really weird, because I've mostly just been doing anal...(Kenny who is sitting next to her and drinking a bottle of water does a Spit Take)
The group narrowly avoiding getting caught at the border when a group of Mexicans crawl out from under the RV and make a run for it.
The blooper that has Jason Sudeikis, Emma Roberts, and Will Poulter play the Friends theme as a joke for Jennifer Aniston.