Arthur's Mystery Envelope (episode)

"Arthur's Mystery Envelope" is the second half of the 10th episode of the animated children's series Arthur. It originally aired on December 15th, 1997.

Plot
Mr. Haney gives an envelope to Arthur to give to his mom. Arthur is worried about the contents of the envelope, thinking that it's 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.