When Celeste puts on lipstick in the opening, she blows a kiss directly at the camera. Later on, she claims to know nothing about kissing, and asks Bag about it.
When Celeste is at the party in the red dress, her hair is completely straight. She changes clothes in the back of Steve's car. When she get out, her hair is curly.
When Celeste is at Ron's party after she first arrives on earth, she does some backflips, with her purse stuck to her side. When the camera angle changes, her purse is gone. After she's done her backflips, her purse is back on her shoulder.
When Celeste makes breakfast, she provides multiple bowls of food for Dave, the beagle, confusing him. Beagles are always ready to eat, even to excess.
When Celeste and Steve first have sex, Celeste reveals her left armpit twice. Both times, the poor tape job covering her breasts is clearly visible.
When Celeste removes eggs from the pan, boiling water drips onto the glowing electric element, yet it doesn't hiss and steam.
When the videos appear from the bag, a crew member is clearly pushing up one of the videos.
After Celeste starts the car by sticking her finger in the ignition, two crew members are briefly reflected in the back passenger window as the car starts to pull away.
When they are in the electric room the first time, a crew member is visible on the floor.