S4·E23 Grandpa's Sister
Core
Aired October 16, 1999
Advertisement
Synopsis
Phil's twin sister comes for a visit, bringing along an unsettled conflict between them.
Rate this episode
Your rating is anonymous and can be changed later.
Be the first viewer to rate it.
Advertisement
Frequently Asked Questions
When did Season 4 Episode 23 of Hey Arnold! air?
Season 4, Episode 23 ('Grandpa's Sister') originally aired on October 16, 1999.
How long is Season 4 Episode 23 ('Grandpa's Sister')?
The episode follows the standard broadcast runtime for Hey Arnold!.
What happens in Hey Arnold! Season 4 Episode 23?
Phil's twin sister comes for a visit, bringing along an unsettled conflict between them....
Advertisement