Revealing mistake: When Jack is doing a search for "Andi Garcia" on Google, the links show up in the searches he does as purple and not blue which means that they have already been visited, despite the fact that he's supposed to be doing this search for the first time.
Little Fockers (2010)
1 revealing mistake - chronological order
Continuity mistake: When Jack is told about his daughter's separation he is holding two picture frames raised next to each other. A frame later the one on the right is down.
Jack Byrnes: Are you still physically attracted to my daughter, Greg?
Greg Focker: To Pam? Are you kidding? Yes. Jack, there's never been a problem with that.
Jack Byrnes: Even after her body's endured the hellish ordeal of birthing twins?
Greg Focker: Yes. Even after that. It's still... It's all good. It's all good under the hood.
Jack Byrnes: That's disgusting.
Trivia: Robert De Niro hated the final film and even hinted at his displeasure in his Lifetime Achievement Award speech at the Golden Globes: "I was very, very moved and gratified when you made the announcement two months ago, well before you had the chance to review Little Fockers."