Ghost in the Shell doesn't have "ghosts" as we think of them. The word refers to the living spirit of the person that is maintained throughout the process of increasing mechanical augmentation. The 2017 movie is rated PG-13, but not all the shows are suitable for children.
Try the 1995 film (a $1.99 rental) first:
and then the first few of the Stand Alone Complex:
Once you've seen these, though, you won't wanna quit there. We are fans and have them all on DVD.