When did episode 21 from season 4 premiere?
El Primo Extraño from Hey Arnold! aired on October 9, 1999. It belongs to season 4, episode 21.
Data refreshed on Mar 27, 2026.
T4 · E21
El Primo Extraño
1999-10-0911 minRating TMDB 8.0
What rating does El Primo Extraño have?
El Primo Extraño currently holds a 8.0 TMDB score from 1 votes.
Arnie, el primo de Arnold, hace una visita y todos lo encuentran raro, excepto Lila, que se enamora de él.
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