Continuity mistake: When the girl gives Litwak her phone to show him there is a replacement part on eBay, her phones shows that it is connected to WiFi. Litwak doesn't set up his router until later that evening, he has only plugged it in. (00:09:41)
Suggested correction: It's possible she's either connected to wifi at another nearby business, using a public wifi signal, or using a friend's phone as a hotspot.
Continuity mistake: Near the start when Wade and Vanessa are discussing families, in most shots facing her she's got her thumb lying along his jawline, but in most shots facing him it's sticking up by his ear.
Continuity mistake: Nick proposes on the plane and puts the ring on. They kiss and you see both of Rachel's hands and there is no ring on her finger.
Continuity mistake: When Kate is hanging on to the sleigh as it takes off she is holding on with one hand. Camera changes and now she is holding on with both.
Continuity mistake: When English, Bough and his wife are looking at Garroch Castle from the submarine, Bough's wife says to English, "Jeremy has always spoken very highly of you." However, in the first Johnny English film, it was established that Bough's first name is Angus.
Continuity mistake: In the beginning of the movie when Debbie visits Danny's grave, the headstone first reads 1963 - 2018. A moment later when shown from the side, the writing has changed to 1958 - 2017. At the end of the movie when Debbie visits the grave again, it reads 1963 - 2018.
Continuity mistake: When Daisy walks away from Max on the roof in Vegas, the food and the napkin disappear. In the next shot, they reappear.
Continuity mistake: At the end of the taxi chase where the final biker is hit by the bus, the bus is shown moving at speed, and easily clears the junction where the taxi halted before you heard tyre squeals to signify it stopping. Yet in the next scene as the crowd gather around the presumably dead biker, the scene is shown happening in the middle of the junction, with the bus stopped almost before it's even entered the junction.
Continuity mistake: The blue paint blob on the painting changes between shots. (00:47:00)
Continuity mistake: Anna and Rebecca are sitting on a bench in the golf field holding glasses of wine when Jerry and three of the others ride by in a high speed golf cart chase. Anna stands up to shout at them and slings her glass, spilling most of her wine out. She then turns back around and the camera cuts, and now her glass is back to half full. (00:51:40)
Continuity mistake: When Buster is shot, his hat with the hole in it disappears.
Continuity mistake: After young Donna and Bill are swimming back to the boat, Donna climbs up into the deck wearing a full face mask. In the long shot we see her turn around still wearing the mask. In the very next shot she sits down but the mask has vanished completely.
Continuity mistake: Towards the end after all the monsters are gone, in the background the sun is barely shining, but after 5 or 6 minutes when Sarah and the others are outside the building it's completely daytime.
Continuity mistake: At the premier of Batman's new movie, Batman Again, Robin steps on The Atom and squashes him next to the red carpet. A few shots later, Atom's squished remains disappear from where Robin and the Titans are talking and dancing.
Continuity mistake: When Roberta comes over to give Mark the doll he left at the shop, we see an animated sequence just before this. The character in the animated sequence gets her top ripped open. In the real life version, the doll has more of its shirt ripped open.
Continuity mistake: Leonardo is dangling from the railing of his yacht as the yacht travels at a high speed. In the next scene, looking out from a room with a large window, Leonardo can be seen still clinging to the railing but the yacht now appears to be motionless.
Continuity mistake: When they're trying to bribe the "pregnant corpse" lady, in shots from the front the $10 bill is perfectly flat on the table, but from the back the front half is noticeably kinked upwards. Then when he starts sliding more money over, the $10 is flattened out.
Continuity mistake: Princess Dawn is in her chambers and her servants are preparing her for the coronation. When her book-headed valet tells her "You have come of age", he is suddenly holding the tome with both hands, while he had just one on it before the cut. (00:19:30)
Continuity mistake: The orchids in the vase in the center of the table are spread differently in views of Erasmus or Paul. (01:11:12)