Watch Hey Arnold! Season 3 Episode 17 Part-Time Friends / Bio Square

Part-Time Friends / Bio Square

Season 3 Episode 17

Aired date: Dec 7, 1998

Plot: A. Helga and Arnold locked in a greenhouse together for 24 hours? Now THERE'S a science fair project! They should both get a great grade on it - if they don't kill each other first. B. When the legendary musical duo of Dino and Don Spumoni split up, they each move into the boarding house (unknown to each other). So it's up to Arnold and Gerald to restore harmony... MORE

Plot: A. Helga and Arnold locked in a greenhouse together for 24 hours? Now THERE'S a science fair project! They should both get a great grade on it - if they don't kill each other first. B. When the legendary musical duo of Dino and Don Spumoni split up, they each move into the boarding house (unknown to each other). So it's up to Arnold and Gerald to restore harmony... LESS