When did episode 23 from season 4 premiere?
La Hermana del Abuelo from Hey Arnold! aired on October 16, 1999. It belongs to season 4, episode 23.
Data refreshed on Mar 27, 2026.
T4 · E23
La Hermana del Abuelo
1999-10-1611 minRating TMDB 7.0
What rating does La Hermana del Abuelo have?
La Hermana del Abuelo currently holds a 7.0 TMDB score from 1 votes.
Mitzi, la hermana melliza del Abuelo, aparece en la casa de huéspedes, y Arnold descubre por qué no se llevan bien.
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