Continuity mistake: Invasion 2021 Season 1 Episode 10 While riding in a car with Hitomi's father, he recalls that she loved a compass she had. She would take it everywhere and loved to follow the red arrow north. But later, when Hitomi's girlfriend finds the compass among her things, the arrow is black with a white tip.
Continuity mistake: Casper is being carried to a wheeled hospital trolley, where he is laid down with no support system and is being wheeled in search of a doctor. A doctor arrives and now Casper has an oxygen mask on.
Continuity mistake: At the end of the episode, when Cole stops firing and gawks at the alien craft, the rifle he has in his hand changes to a rubber rifle with a carry handle. No longer does he have the M4 with Eotech on it. (00:56:40)
Continuity mistake: Sgt. Cole emerges from the rubble in the opening scene of this episode with his rifle securely fastened to his web belt around his waist, but he was last seen at the end of the previous episode being attacked by the alien ship while firing his rifle at it.