How do i retrieve deleted videos from a older samsung d5oo?

They are gone for good, unless you want to pay hundreds or thousands of dollars for data recovery. If these videos are really important, take your phone to Geeksquad at your local Bestbuy, and see what they have to say.

Maybe you can try Renewandroid smartphone data recovery, you don't need to take out the CF card or SD card from the Android devices to recover deleted photos from Android.

This powerful software not only can restore vedios and photos, but also can restore the files like contacts, SMS, and other data.

Retrieve Photo Videos from Your Android Device

You can get lost videos back by connecting your phone to the PC and running Coolmuster Samsung Data Recovery.Then scan Samsung phone. In fact , as long as the data not been overwritten,you will have chance to recover.
How to Recover Deleted Videos from Samsung Galaxy