Continuity mistake: Mitchell puts a sandwich down close to Cam on the kitchen island whilst talking to him. The sandwich then moves closer to Mitchell and a plastic food container is now moved to the other side near Cam instantaneously. (00:14:00)
Continuity mistake: When Claire comes in the kitchen a wine bottle with a blue/white label is standing up on the table. When Luke explains the effects of Jägermeister the same bottle is lying down on the table. In the next scene the bottle is standing upright again. (00:16:10)
Continuity mistake: When Alex opens the door for Sanjay she is wearing red headphones around her neck, in the shot after that the headphones are gone. Two shots later, they reapear. (00:11:10)
Continuity mistake: When Haley, Claire, Phil and Jay are by the pool and Claire is talking to Phil. Claire's shirt (cover up) changes position several times. (00:02:00)
Continuity mistake: After the photographer asks Claire if they are still taking the picture Claire says no and puts mud on Gloria's belly. You see that its a round stain. In the shot after that the stain on Gloria's dress has become just a smear. This changes again in the shot after that. (00:20:05 - 00:20:40)
Visible crew/equipment: When Manny brings out an epee, equipment and a bald headed crew member are reflected on the polished guard's surface. It's pretty quick, but it's there. (00:09:45)
Continuity mistake: When Javier is setting up the pool table and Jay is about to break, we see in the next shot that the balls have slightly changed position, and in another shot before the end of the scene the balls have changed position again, without any play made between either of them. (00:09:00 - 00:10:00)
Continuity mistake: Whilst Clare and her new 'best friend' are talking to the flight attendant, the two glasses change from empty to full in the next shot.
Other mistake: When Claire is sitting in first class, the woman she was sitting next to finished her drink while on her angry phone call and asks for more, but about a second later she is drinking it again and it is no longer empty.
Continuity mistake: Gloria speaks Spanish to Manny and he seems to understand it. But later, when his brother Joe was born, a tutor had to be hired because Manny didn't speak or understand Spanish.
Answer: He has seen himself dancing, and is mortified at how bad he looks.