|Airdate||October 10, 2004|
Business Letter is a BrainPOP movie that aired on October 10, 2004.
Moby is looking through a box of Mrs. Cheever's Cheese Popcorn, and notices it didn't come with a toy, specifically, the spider ring. Tim gets a letter on what a business letter is, and asks Moby to send one to Mrs Cheever as an example. At the end, Moby gets a large supply of cheese popcorn with the spider rings two weeks later.