Hey Arnold!
Grandpa's Sister (4x23)
Date de diffusion: Oct 16, 1999
Grandpa's sister unexpectedly shows up at the Boarding House, but Arnold doesn't know why she and Grandpa are always fighting with each other.
- Première: Oct 1996
- Épisodes: 209
- Abonnés: 127
- Fini
- Nickelodeon
- Daily à 18