I love:

When Ethan walks out of his room after a long nap with his slippers on the wrong feet and rosy cheeks, not quite awake.

When he reads to his stuffed buddies. He has some books memorized, but it's really entertaining when he is not so familiar with a book and reads what he interprets from the pictures. In this video he is reading a book about different rocks you might find. While reading another rock book, one with a picture of a big eye incorporated into a desert landscape, he said "and you take a rock and put it in your eye." While we were reading an insect book, the page about cicadas, Ethan said " if you ever see a cicada, he will probably bite you." Funny.