The scene "Year One" took place where Kick was 7 and Brad was 12. Well, a 3 year old Kick and 5 year old Brad were used. In other episodes, pictures of preteen Brad looks his age compare to here.
In Rank of Awesome: The headline on the newspaper that Gunther hides behind reads, "Gunther Hides Behind Newspaper".
Kick was briefly seen wearing a dress with makeup in "Trike X-5".
In "Not Without My Cereal": While Kick and Briana are racing in the shopping carts, the box of cereal in her cart appears and disappears. It's mostly notably absent in the shots from the front.
Kick was shown nude in both episode.