i need to see what credit card information i have on file with my apple tv...

I need to see what credit card i have on file for my apple tv. i purchased it some years ago and don't remember.

i recently have been trying to purchase movies abd it keeps asking me to verify my credit card info. i may have

a credit card that's expired etc. how do i see what was registered on that account. i recently bought an apple mac

and that keeps coming up....this computer has nothing to do with the registration that was put in tact years ago.