I am a huge Grey's Anatomy fan and anyone who watches the show knows that the word "seriously" is used often. I have also adapted the word into my everyday vocabulary because of the show. The word is to be used whenever something so unbelievable happens that you have to confirm with whoever is in earshot that it "seriously" did. I prefer to say the word alone with an exclamation mark. I feel it has more dramatic affect that way.
The point of this post is show you what I think Landon's "Seriously!" face is. In my opinion Landon is thinking "I am trying to play with my toys over here mom, Seriously!"