I teach my kids everything I can for their ages about the faith.
Keep it up, that's more than my parents, aunts and uncles did.
However, if you do not homeschool or send them to a good Catholic school, your daily efforts will be totally offset by their learning from the seculars. TV is just another portal for the seculars to influence your children. And a waste of time.
Secular daycare, secular schools and TV, are all indoctrinating mediums of the enemies of God. You do not stand a chance against them.