Character mistake: When Tris and Christina are going to rescue Four, Tris asks how to use the drones. When Christina tells her that she must use her left hand she can be seen using her right hand to control them.
Character mistake: When the elder Vulcans inform young Spock of the death of the older Spock, they show him a tablet that has him listed as "Second Officer - USS Enterprise." Spock was First Officer.
Character mistake: When Erin pops Stay Puft, the girls get up. One of the girls says "welcome back" to Erin. She didn't leave the group.