Rugrats
The Great Unknown (7x13)
Air date: Feb 09, 2001
The Rugrats set their sights on a staircase post, where it hides one of the Rugrats' greatest mysteries -- why does it wobble?
- Premiered: Aug 1991
- Episodes: 326
- Followers: 186
- Ended
- Nickelodeon
- Daily at 14
