"The Ball of Yarn" is the second half of the sixth episode of Oswald. It premiered in the United States on August 22, 2001.
Weenie's ball of yarn unrolls across Big City.
- This is the second episode after "Rollerskating" in which Henry is first seen eating at a table outside the diner.
- Steve is the only minor character who speaks in this episode. All other minor characters have no lines.
- In the UK version, the episode is called "The Ball of Wool".