Video Plays Two Clips Intermittently

[naga]

The video would play fine on the camera. I was capturing some footage off of Hi8 MP cassettes and sections of time would intermittently show two different clips. A fraction of a second its a picture from clip A and next faction of a second its a picture from clip B. My main theory is that the grandma didn't like what was recorded so she recorded right over it with new material. Almost like double exposure on the camera. Anyways trying to think of ways to get the final recording. To me it looks like crap on the computer and a perfect test for seizures.

[naga]

Captured the same video on the Hauppauge capture card and everything works perfect. Must be an issue with my Mac.