Among many other issues too numerous to mention, I can see no reason for the hobbits to escape the Black Riders on the road, in the forest, and at the easily-jumped dock (other than plot armor).
And why is Merry stealing Sam's lines?!
'I am being eaten alive!' cried Pippin. 'Midgewater! There are more midges than water!'
'What do they live on when they can't get hobbit?' asked Sam, scratching his neck.Movie!FotR:
MERRY [smacking cheek]: What do they eat, when they can't get hobbit?
[PIPPIN falls into water for no reason.]