Hi, I'mCustomer Welcome to JustAnswer. I'm reviewing your question now, and will post back with your reply ASAP.
I'm sorry about the issue, Please Tap Edit, then tap (x) in the upper-left corner of the movie that you want to delete. When you're done, tap Done
If you can't see the X please restart your iPad and try again, If the problem persists please tap
Settings>General>Usage>Storage>Video>Tap Edit button>Delete movie
let me know if you need further help
Has everything worked out, do you still need help please?