When Gard and Bobbi are first lowered into the ship, Gard has nothing in his hands. On the way down, he suddenly has a flashlight.
When Gard is on the disk that controls the ship, he has a nose bleed. His face is alternately clean/bloody in subsequent shots.
When Tracy goes to open the lipstick laser to use it on Gard, the lipstick appears instead of the green laser, as in all the other scenes when she went to use the laser, there was no lipstick in it.
The scene after "Bobbi" Anderson takes her dog back to the vet, (after her and the dog discover a piece of the alien ship sticking out of the ground.) While attempting to leave the vet, it's the same exact scene from when she brought the dog in before. But it's now a different day.
The Nutcracker doll's knife has blood on it before it stabs Ruth.