would have to talk to them - that's all controlled by computer and unless you speak to a human, nothing will be reversed
You were told that B of A will eat the overdraft fee by which idiot? Netflix will obviously have to reimburse you as they made the error - not you and not B of A.
Have you asked them to? Netflix can't do it - you have to contact the bank and request that.
Netflix not B-of-A owes you the money..