My kids watch that stuff all the time. I've noticed my 5-year-old talks a lot about death now for some reason. Maybe it's a phase, or maybe it's connected to 'My Book of Bible Stories' and the JW comic books with Lot's wife dying and 'Noah/David' videos and so on. Huh. Guess this is some sort of bizarre psychological experiment I'm observing. There's actually quite a lot of death and violence in these stories, I've found as I watch them. Caleb by comparison is actually a relief from planetary genocide and coloring in a dying woman's face and all that.
But heck, I read the same stuff, and I turned out okay. Well, there was that unfortunate incident with the broom stick awhile back, but no one was hurt, I assure you.
Anyway, kids are naturally going to ask questions about stuff like that, as they grow. They're good at seeing contradictions, better than adults because they have no previous assumptions when approaching stuff the first time. Your kid will be fine. Just so long as you teach them to think, they can handle the rest on their own, in time.
--sd-7