Question about DVDs

hi i just noticed my spongebob dvd it has some weird lines on the edges on patrick i noticed it on playing on the original DVD and the rip i made of it i was just wondering what would be causing that

https://preview.redd.it/7rjvuosis7cg1.png?width=1920&format=png&auto=webp&s=3701e0521c62cd8b1b9d9679906cce25b0406eba