Join Arthur, an eight year old aardvark, his sister DW and their friends Buster, Francine, The Brain and Muffy in their adventures. Based on the popular children's books by Marc Brown. The kids are thrilled when Grandpa Dave moves closer to the family. But something isn't quite right; he's forgetting all sorts of things. Francine's grandmother helps the kids understand that Grandpa Dave loves them just as much as he always has.