While the Straw Hats are disguising the Going Merry, the paint cans in the background are labeled incorrectly with "peint" instead of the word "paint".
When Robin points out one of the abandoned storage docks at Navarone on the Going Merry, the outline of Luffy's hat blends with Usopp's right elbow.
Just like Zoro did in the preview for Episode 199, Usopp hogs the spotlight and steals Luffy's closing line- he says, "I'm gonna be a great warrior of the sea!", causing an indignant Luffy to retort, "Hey! You too!?"