In the beginning shot showing the outside of the Dunkin' Donuts, the entrance shows a ramp leading to the entrance with nothing in the background, however in the second shot showing Al Pacino entering the shop, there is no ramp but instead a table and chairs, an umbrella, and bushes, all of which were not visible in the first shot whatsoever, additionally you can see that in the first shot there is only one door, but in the other shot there is two.
A brief while after Al Pacino hits Jack (who is impersonating Jill) on the head, he touches Jack's fake hair, but in the next shot, his hand is about a foot away from his hair.
When Jack is reading a list of what Jill wants to do during her stay, his hand position as he holds the paper changes in between shots.
'The Allure of the Seas' never cruises in Europe. It only takes cruisers to the eastern and western Caribbean.
Jack says that him and Al Pacino met at the premier for Cats and dogs 3. but 9 years after this movie - when Cats & Dogs 3: Paws Unite was released - it was straight to video so seeing it "premier" would be impossible"
When Jack watches Al Pacino on YouTube, the player shows "240p", but the video is in high definition.
The rear view mirrors have been removed from Jack's Escalade and Felipe's truck.
While spinning the wheel on The Price Is Right, Jill gets hit on the left side of her head, but when she's holding the ice pack on her head, she's holding it on the right side of her head.
The port where the cruise ship departs from for the holiday week is actually Port Everglades in Fort Lauderdale and not in Spain.
If Al Pacino changed his first name from "Al" to "Dunk", his full name would be "Dunk Pacino" not "Dunkaccino".
When Jill goes to the picnic with Felipe the grandma is knocked out. The family rushes around her and one says give her Jalapenos. The peppers they give her are Cayenne peppers not Jalapenos.
Jack says that the commercial is 32 seconds long. The commercial is actually 48 seconds long.
The time difference between Miami and Portugal is always more than 5 Hours and can't be 4 as stated by Jack.