How to fix distortation pixels when playing video

[a.w.i.r]

Hi, I have an old video that when I play, pixels are distortion and the edges won't be sharp
I attached a piece of a frame video
How can I fix that?

[OussK · Accepted solution]

you can fix that from the Fields and pulldown, check this tutorial for more help https://www.youtube.com/watch?v=bvU1g0fZe4s 

[a.w.i.r]

Thanks a ton