At video shop, there is a poster from Futurama on the wall and a video with title Family Guy (although Family Guy and Futurama wouldn't see a home video release [in the form of DVDs] until the mid-to-late 2000s due to cancellation. The DVD sales and constant reruns on cable TV are what revived both shows).
On the airplane, when Marge describes First Class as "feeling like Princess Grace and Princess Di smashed together", it is a dark reference to their deaths -both women were killed in car crashes.
Viza is a parody of the real life credit card company Visa only with a "z" instead of an "s" likely to avoid copyright infringement.
Kabbalah is one of the most complicated schools of thought in Judaism, associated with magic and mysticism.
Whilst on a bouncy castle with Marge, Homer says "this must be what its like to be in space", to which Marge replies "you've been to space". Homer went to space in the episode Deep Space Homer.
The other people at Uncle Tyrone's birthday are the Simpsons that Homer gathered in the episode "Lisa the Simpson".
Uncle Tyrone lives in Dayton, Ohio, which is the birthplace of Nancy Cartwright.
Jeff Nathanson, the screenwriter of the Catch Me if You Can movie, participated in the audio commentary for the DVD.
Ned and Rod's Viza credit cards (which Homer and Bart stole from them) have the exact same number as well as validity and expiration dates.
When Homer and Marge finally 'ditch' Bart and Lisa, the plate cover is small at first, but when Bart and Lisa emerge from beneath the plate cover it has obviously gotten bigger.
When Bart, Lisa and Abe go to Miami, Maggie isn't with them. Patty and Selma could have went over to the house and babysit Maggie.
When Homer and Marge are packing and Homer goes to strangle Bart through the wall, he punches through the wall next to their bed which has been shown to be an outside wall. The kids rooms are through the opposite side wall.
Bart and Lisa could not have taken flights unaccompanied as a parent has to be present to see them go on the plane.
Homer tells Marge that if they don't take the chance to have a romantic vacation now, they won't get a chance to be alone until "Lisa's in college and we've lost contact with Bart." They seem to have forgotten that they have a third kid.