Arthur Season 6 Episode 10
A).When Arthur discovers that Grandma Thora is a marbles champion, he trains with her so he can beat all his friends. And though Thora teaches Arthur everything he knows, she doesn’t teach him everything she knows … and it’s Read versus Read in the first-ever Elwood City Marbles Tournament.
B).Brain doesn’t believe in superstitions, even though his friends step over sidewalk cracks … and even Mr. Ratburn walks around ladders. So when Brain’s defiance leads to a string of bad luck, he’s stunned. Can he reverse the trend before the unluckiest day of them all — Friday the 13th?
Serie: Arthur
Episode Title: Arthur Loses His Marbles / Friday the 13th
Air Date: 2001-11-26