Mistake on To Thine Old Self Be True:

[Patrick]

That cauliflower head or whatever it is that rolls after Regan drops her bag, you can see clearly that it doesn't come from the bag.

[Frasiertime]

Yes, I noticed that too.

[Eddie2012]

Hehe, just fast-forwarded to that scene Looks like the cameraman kicked the cabbage himself. They probably didn't want to risk reshooting the scene in case it stopped rolling within her reach.