Mortug

Revealing mistake: When Barry has shot the alien in the head at the beach the camera is filming the aliens feet as the blood starts dripping. Then the camera start moving up and when the camera reach the alien's waist level you can see a sudden cut. This is done so the fake alien puppy with half its head gone can be used. (00:03:15)

Mortug

Revealing mistake: When Derek is about to run over the alien with the machine gun, the alien drops the magazine from the machine gun. You can see he is lifting his little finger revealing that he intentionally drops the magazine. (01:02:30)

Mortug

Revealing mistake: When Derek kicks the alien which has been cut in half, you can see the ground beneath the alien move making it obvious the lower part of the alien is buried in the ground. (01:03:30)

Mortug

Revealing mistake: When the collector gets into his car, he tries to close the car window. Robert puts his hand through the window. The collector manages to close it well enough to trap Robert's hand and takes off in his car. From a camera view outside the car, you can see the window isn't closed enough for Robert's hand to be trapped. (00:29:30)

Mortug