Varying amounts of daylight/twilight illumination during the sequence where Jaime and Laure Boylin run from the affected people and seek refuge elsewhere on the base.
When Jaimie lifts the door to access the fire truck, she lifts the door to nearly reachable height. In the following wide shot, she drives the truck out of the building and we see the roll up door is now raised completely to the top of the building, far higher than she left it.
While being pursued on the Tarmac by the zombified soldiers a silver car can be seen driving in the background although everyone on the island is accounted for.
The episode is entitled "The Vega Influence", yet the word "Vega" does not appear to be mentioned anywhere in the story.
The control-knobs for the tape machine are labelled REWIND, FAST-FORWARD, and POWER ON, but this last knob should be marked PLAY, since that's the knob that plays back the tape.
Michael doesn't load the tape into the machine before he rewinds it.
At some point, Jaimie tells Laurie, the deaf woman, to stop talking and she does. The problem is, Laurie wasn't looking at her, so she wouldn't have known to obey, not having heard the command.