In the virtual room, Ingrid falls into the chute first then Gregorio, as they fall out, Gregorio falls out first then Ingrid.
When Juni handcuffs his arm to a metal case, the handcuff switches back and forth from his right arm to his left arm.
Seen from outside the window of the castle, Floop is holding a
ball of clay in his right hand. As we cut to a view from inside, the clay is in his left hand.
While Gregorio and Ingrid are talking with Floop, the spoon Gregorio is holding quickly switches from his left hand to his right.
Close to the end when Machete jumps through the glass window you can see a big plaster on his left arm. This disappears in the next shot.
After Carmen and juni steal the spy plane they eject into the sea they put the goggles on while submerged the goggles should be filled with water but they are not.
One of the vehicle error displays says "main buss undervolt" but the proper spelling is "bus".
Sharks sleep with their eyes open. They also do not sleep floating still, otherwise their gills would close and they couldn't breath.
When Gregorio and Ingrid escape and encounter the hallway with the floor of falling puzzle pieces, the pieces fall into a deep hole. But after Gregorio peels his face from the Plexiglas, you can see that the puzzle pieces are on top of the Plexiglas, not underneath it.
Ms. Gradenko's bald cap is often disappointingly apparent after she has portions of her hair burned off.
When Carmen and Juni switch the plane from autopilot to manual control, many of the aircraft movements do not properly correspond with the movements of the control surfaces.
There is a visible line where the latex of Minion's prosthetic hand ends and his real fingers begin.
At the finale of the boat chase, the "Donzi" logo on the side of the boat is reversed.
Just before the kids meet Machete, the cab drives away, and we hear the sound of it speeding into the distance. But the car is reflected in a nearby window and it can be seen that it just drove ten feet away to get out of the shot.
Reflected in the mini spy plane beside Carmen is a man holding a white screen.
Crew member reflected in the mirror at the beginning of the movie when Ingrid types in the password for her makeup.
A crew member's hand pulls back Juni's suit during his encounter with Ms. Gradenko at the boathouse.
As Carmen swings down the wire after killing the 4 thumbs with bubbles, a crew member's hand is quickly visibly keeping Carmen track from the wire to avoid injuries.
Reflected in car, when Gregorio drops the children off to school.
Throughout the movie, Floop's black glove is shown on his right hand. However, on Juni's figurine, the glove is on his left hand.
Across the road from the gadget shop, an old style black and white Irish signpost with Leopardstown (a suburb of Dublin) and the Gaelic translation written above (a feature of all Irish road signs) above is visible. The Irish-Gaelic reads "Baile an Liopaird" (Irish for "Town of the Leopard"), but the correct name is actually "Baile na Lobhar" ("Town of the Lepers" - hence originally Leperstown), which comes from a leper colony that was originally in the area.