Best Answer: PG-13 simply means some material may be innappropiate for children under the age of 13..There is no age restriction and the theater personnel won't ask to see your ID, as is the case with R-rated movies. You don't need to go with a parent or guardian to be admitted but you do need the cash.est Answer: PG-13 simply means some material may be innappropiate for children under the age of 13..