There is no such thing as harmless witchcraft.
There have been many historically- and theologically-correct films produced by various companies about the lives of some of the greatest saints of the Church.
If your children want to watch action, why not St. Joan of Arc?
Miracles and young people? Therese or The Miracle of Our Lady of Fatima.
So many children are inured to the horrors of sin because violence, immorality and perversion are celebrated in Jєω-lywood.
Why not watch The Passion of the Christ with your school-aged children? Yes, there is gore and suffering, but what better way to introduce the young to a sanctifying and sobering and maturing use of artistic media? At least watching the violence in the Passion is defensible because it is useful in directing our minds and hearts toward the price that was paid for our redemption.
St. Clare of Assisi, receiver of holy visions from God, pray for us, that what we choose to see will help to strengthen our resolve to love Our Lord even more.
Immaculate Heart of Mary, triumph soon!
Most Sacred Heart of Jesus, have mercy on us.