Arthur and D.W. Clean Up & The Long, Dull Winter

Arthur and D.W. Clean Up: Arthur and D.W. need to clean their rooms and work together to get things done quicker. However, each is picky about what stays and what goes and how it all goes together.
The Long, Dull Winter: Arthur and his friends are feeling different, but can not put a finger on it. They eventually realize that they have not had a holiday in a while, so they embark on making a new one.