When McGee opens the ransomware on his phone that then spreads to all the phones and computers in the pit. Later all the computers in the pit were up and running with no signs of the ransomware.
When Quinn brings flowers to her mom she leaves them on the counter after taking the pink ribbon off but in the next shots the ribbon is back to being wrapped around the flowers.
Marie tells someone who is setting flowers in a flower that "the impatiens should go over there. They only thrive in the shade." However, the plants that the person was carrying were marigolds, not impatiens.
When Gibbs opens the door of the car that was just pulled out of the water, the gear shift lever is in the park position. In order for the car to have been pushed/driven into the water, the gear shift should be in neutral or drive. We know he was the first to open the door since when he did so a bunch of water spilled out.