In a Flash - S6-E10
Continuity mistake: As the kids are burying their dad in the sand, the sand around his head changes depending on the angles. There are hand marks that disappear.
9-1-1 (2018)
1 continuity mistake in In a Flash
Starring: Angela Bassett, Peter Krause, Aisha Hinds, Oliver Stark
Revealing mistake: The captain's arm that was removed can be seen wrapped in a green screen editing sleeve when he is in the hospital. (00:39:55)