[Harry Potter movie mistakes 10/10]

The packages change 

[Harry Potter movie mistakes 9/10]

Harry’s shirt and tie goes from sloppy to neat

[Harry Potter movie mistakes 8/10]

The wall beside the doors change in appearance 

[Harry Potter movie mistakes 7/10]

Ron holds a book, then he doesn’t, then he does, then he doesn’t.

[Harry Potter movie mistakes 6/10]

Hermione gives her white towel to Harry, then it is back on her.

[Harry Potter movie mistakes 4/10]

Filch runs past Ron & Seamus twice

[Harry Potter movie mistakes 3/10]

You can see the green blanket used as the invisibility cloak laying on the floor

[Harry Potter movie mistakes 2/10]

The pot breaks differently

[Harry Potter movie mistakes 1/10]

Ron’s hairstyle changes