D.W. Goes to Washington & Arthur's Mystery Envelope

D.W. Goes to Washington: The Reads go to Washington, D.C. over a holiday vacation. They tour the popular landmarks and at the White House, D.W. separates from the tour group and meets the President.
Arthur's Mystery Envelope: Mr. Haney gives an envelope to Arthur to give to his mom. Arthur is worried about the contents of the envelope, thinking that it is about him, so he comes up with a way of giving it to his mom without her opening it. The envelope turns out to contain Mr. Haney's tax documents.