Hey Arnold!
Back to School (4x15)
Uitzenddatum: Sep 11, 1999
Grandpa's dream was always to get a High-School Diploma, but he never did because he had to work, so Arnold tries to make him go through grade school over again to fulfill his dream.
- in première gegaan: Okt 1996
- Afleveringen: 209
- Volgers: 127
- Afgelopen
- Nickelodeon
- Daily op 18