Summary When Helga's older sister, Olga, comes home from college and gets all of her parents' attention, Helga plots to sabotage her sister's visit. Arnold and Gerald save up cereal box tops to get a telescope before the arrival of Salley's Comet.
Directed : Unknown
Written : Unknown
Stars : Dan Castellaneta Francesca Marie Smith Jamil Walker Smith Justin Shenkarow
Genres : Comedy Animation Family
Release date : Nov 24, 1996
Countries of origin : United States China South Korea Thailand Taiwan
Official sites : Nickelodeon
Language : English
Filming locations : Nickelodeon Animation Studio - 231 W Olive Avenue, Burbank, California, USA
Production companies : Nickelodeon Animation Studios Snee-Oosh Productions
Summary When Helga's older sister, Olga, comes home from college and gets all of her parents' attention, Helga plots to sabotage her sister's visit. Arnold and Gerald save up cereal box tops to get a telescope before the arrival of Salley's Comet.
Genres : Comedy Animation Family
Release date : Nov 24, 1996
Countries of origin : United States China South Korea Thailand Taiwan
Official sites : Nickelodeon
Language : English
Filming locations : Nickelodeon Animation Studio - 231 W Olive Avenue, Burbank, California, USA
Production companies : Nickelodeon Animation Studios Snee-Oosh Productions
