When Green Lantern is closing the fissure, he is in front of Metallo, whose right arm continues to remain stretched out as it was since he lost his power, but when S.T.R.I.P.E. and Green Lantern fly away, it is lowered.
Stargirl raises Metalloagainst into a wall which he rams her into the one to his left, but she falls to the right of him when he falls straight downwards.
Deimos' tent's exterior is red, but it has a gray interior.
A distant shot reveals the Justice League members and Warlord examining the scattered villagers practicing, but a closer shot shows them packed tightly without having had time to gather so close together.
When Machiste shows the Justice League the "great rock", it's hidden behind two giant doors made out of wood, but when the great rock turns out to be a giant hunk of kryptonite, Supergirl isn't affected by it until after the doors are opened, even though the wood shouldn't be enough to block its energies.